Created abstract class UserOverlayBase.java to replace most of the code that is redundant in UserOverlay.java ands SkyHookUserOverlay.java. This will make it easyer to update the UserOverlays across the board
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@@ -5,107 +5,22 @@
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*/
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*/
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package com.TwentyCodes.android.SkyHook;
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package com.TwentyCodes.android.SkyHook;
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import android.app.AlertDialog;
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import android.app.ProgressDialog;
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import android.content.Context;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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import android.graphics.Paint.Style;
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import android.graphics.Point;
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import android.os.Handler;
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import android.os.SystemClock;
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import android.util.Log;
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import com.TwentyCodes.android.debug.Debug;
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import com.TwentyCodes.android.location.UserOverlayBase;
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import com.TwentyCodes.android.location.CompasOverlay;
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import com.TwentyCodes.android.location.CompassListener;
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import com.TwentyCodes.android.location.GeoPointLocationListener;
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import com.TwentyCodes.android.location.GeoUtils;
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import com.google.android.maps.GeoPoint;
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import com.google.android.maps.MapView;
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import com.google.android.maps.MapView;
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import com.google.android.maps.Overlay;
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import com.google.android.maps.Projection;
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/**
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/**
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* this class will be used to display the users location on the map using skyhook's call back methods
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* this class will be used to display the users location on the map using skyhook's call back methods
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* @author ricky barrette
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* @author ricky barrette
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*/
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*/
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public class SkyHookUserOverlay extends Overlay implements GeoPointLocationListener, CompassListener{
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public class SkyHookUserOverlay extends UserOverlayBase{
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private float mBearing = 0;
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private int mAccuracy;
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private GeoPoint mPoint;
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private Context mContext;
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private SkyHook mSkyHook;
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private SkyHook mSkyHook;
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private boolean isEnabled;
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private MapView mMapView;
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private ProgressDialog mGPSprogress;
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private boolean isFistFix = true;
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private GeoPointLocationListener mListener;
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public boolean isFollowingUser = true;
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private final String TAG = "SkyHookUserOverlay";
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private CompasOverlay mCompass;
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private boolean isCompassEnabled;
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private int mUserArrow = R.drawable.user_arrow_animation_1;
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private volatile Thread mAnimationThread;
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/**
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* Construct a new SkyHookUserOverlaymFollowUser
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* @param mapView
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* @param context
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* @author ricky barrette
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*/
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public SkyHookUserOverlay(MapView mapView, Context context) {
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public SkyHookUserOverlay(MapView mapView, Context context) {
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mContext = context;
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super(mapView, context);
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mMapView = mapView;
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mSkyHook = new SkyHook(context);
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mSkyHook = new SkyHook(context);
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mCompass = new CompasOverlay(context);
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mUserArrow = R.drawable.user_arrow_animation_1;
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mAnimationThread = new Thread(new Runnable(){
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@Override
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public void run(){
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int index = 0;
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boolean isCountingUp = true;
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while(! isEnabled){
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switch(index){
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case 1:
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mUserArrow = R.drawable.user_arrow_animation_2;
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break;
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case 2:
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mUserArrow = R.drawable.user_arrow_animation_3;
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break;
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default:
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mUserArrow = R.drawable.user_arrow_animation_1;
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try {
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Thread.sleep(300l);
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} catch (InterruptedException e) {
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e.printStackTrace();
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return;
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}
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break;
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}
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try {
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Thread.sleep(200l);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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if(isCountingUp){
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if(index++ == 2)
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isCountingUp = false;
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} else if(index-- == 0)
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isCountingUp = true;
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if(! isEnabled)
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return;
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}
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}
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});
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}
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}
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/**
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/**
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@@ -116,341 +31,29 @@ public class SkyHookUserOverlay extends Overlay implements GeoPointLocationListe
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* @author ricky barrette
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* @author ricky barrette
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*/
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*/
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public SkyHookUserOverlay(MapView mapView, Context context, boolean followUser) {
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public SkyHookUserOverlay(MapView mapView, Context context, boolean followUser) {
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this(mapView, context);
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super(mapView, context, followUser);
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isFollowingUser = followUser;
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mSkyHook = new SkyHook(context);
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}
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}
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/**
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/**
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* Disables the compass
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* Called when the location provider needs to be disabled
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* @author ricky barrette
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* (non-Javadoc)
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* @see com.TwentyCodes.android.location.UserOverlayBase#onMyLocationDisabled()
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*/
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*/
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public void disableCompass(){
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@Override
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isCompassEnabled = false;
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public void onMyLocationDisabled() {
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mMapView.getOverlays().remove(mCompass);
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}
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/**
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* Stops location updates and removes the overlay from view
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* @author ricky barrette
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*/
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public synchronized void disableMyLocation(){
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// mAnimationThread.stop();
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Log.d(TAG,"disableMyLocation()");
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mSkyHook.removeUpdates();
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mSkyHook.removeUpdates();
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isEnabled = false;
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mCompass.disable();
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mGPSprogress.cancel();
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}
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}
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/**
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/**
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* Disables the Acquiring GPS dialog
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* Called when the location provider needs to be enabled
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* @author ricky barrette
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*/
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public void disableGPSDialog(){
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if(mGPSprogress != null)
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mGPSprogress.dismiss();
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}
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/**
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* we override this methods so we can provide a drawable and a location to draw on the canvas.
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* (non-Javadoc)
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* (non-Javadoc)
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* @see com.google.android.maps.Overlay#draw(android.graphics.Canvas, com.google.android.maps.MapView, boolean)
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* @see com.TwentyCodes.android.location.UserOverlayBase#onMyLocationEnabled()
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* @param canvas
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* @param mapView
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* @param shadow
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* @author ricky barrette
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*/
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*/
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@Override
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@Override
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public void draw(Canvas canvas, MapView mapView, boolean shadow){
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public void onMyLocationEnabled() {
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if (isEnabled && mPoint != null) {
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mSkyHook.setLocationListener(this);
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Point center = new Point();
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mSkyHook.getUpdates();
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Point left = new Point();
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Projection projection = mapView.getProjection();
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GeoPoint leftGeo = GeoUtils.distanceFrom(mPoint, mAccuracy);
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projection.toPixels(leftGeo, left);
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projection.toPixels(mPoint, center);
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canvas = drawAccuracyCircle(center, left, canvas);
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canvas = drawUser(center, mBearing, canvas);
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/*
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* the following log is used to demonstrate if the leftGeo point is the correct
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*/
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// Log.d(SkyHook.TAG, (GeoUtils.distanceKm(mPoint, leftGeo) * 1000)+"m");
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}
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super.draw(canvas, mapView, shadow);
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}
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}
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/**
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* draws an accuracy circle onto the canvas supplied
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* @param center point of the circle
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* @param left point of the circle
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* @param canvas to be drawn on
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* @return modified canvas
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* @author ricky barrette
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*/
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private Canvas drawAccuracyCircle(Point center, Point left, Canvas canvas) {
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Paint paint = new Paint();
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/*
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* get radius of the circle being drawn by
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*/
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int circleRadius = center.x - left.x;
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if(circleRadius <= 0){
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circleRadius = left.x - center.x;
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}
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/*
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* paint a blue circle on the map
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*/
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paint.setAntiAlias(true);
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paint.setStrokeWidth(2.0f);
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paint.setColor(Color.BLUE);
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paint.setStyle(Style.STROKE);
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canvas.drawCircle(center.x, center.y, circleRadius, paint);
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/*
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* fill the radius with a alpha blue
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*/
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paint.setAlpha(30);
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paint.setStyle(Style.FILL);
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canvas.drawCircle(center.x, center.y, circleRadius, paint);
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/*
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* for testing
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* draw a dot over the left geopoint
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*/
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// paint.setColor(Color.RED);
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// RectF oval = new RectF(left.x - 1, left.y - 1, left.x + 1, left.y + 1);
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// canvas.drawOval(oval, paint);
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return canvas;
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}
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/**
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* draws user arrow that points north based on bearing onto the supplied canvas
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* @param point to draw user arrow on
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* @param bearing of the device
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* @param canvas to draw on
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* @return modified canvas
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* @author ricky barrette
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*/
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private Canvas drawUser(Point point, float bearing, Canvas canvas){
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Bitmap user = BitmapFactory.decodeResource(mContext.getResources(), mUserArrow);
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Matrix matrix = new Matrix();
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matrix.postRotate(bearing);
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Bitmap rotatedBmp = Bitmap.createBitmap(
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user,
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0, 0,
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user.getWidth(),
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user.getHeight(),
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matrix,
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true
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);
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canvas.drawBitmap(
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rotatedBmp,
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point.x - (rotatedBmp.getWidth() / 2),
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point.y - (rotatedBmp.getHeight() / 2),
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null
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);
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return canvas;
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}
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/**
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* Enables the compass
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* @author ricky barrette
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*/
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public synchronized void enableCompass(){
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if(! this.isCompassEnabled){
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this.mMapView.getOverlays().add(this.mCompass);
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this.isCompassEnabled = true;
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}
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}
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/**
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* Enables the Acquiring GPS dialog if the location has not been acquired
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* @author ricky barrette
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*/
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public void enableGPSDialog(){
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if(isFistFix)
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if(mGPSprogress != null){
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if(! mGPSprogress.isShowing())
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mGPSprogress = ProgressDialog.show(mContext, "", mContext.getText(R.string.gps_fix), true, true);
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} else
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mGPSprogress = ProgressDialog.show(mContext, "", mContext.getText(R.string.gps_fix), true, true);
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}
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/**
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* Attempts to enable MyLocation, registering for updates from sky hook
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* @author ricky barrette
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*/
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public void enableMyLocation(){
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Log.d(TAG,"enableMyLocation()");
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if (! isEnabled) {
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// this.mAnimationThread.start();
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mSkyHook.setLocationListener(this);
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mSkyHook.getUpdates();
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isEnabled = true;
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mCompass.enable(this);
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isFistFix = true;
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enableGPSDialog();
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/**
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* this is a message that tells the user that we are having trouble getting an GPS signal
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*/
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new Handler().postAtTime(new Runnable() {
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@Override
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public void run() {
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if (mGPSprogress.isShowing()) {
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mGPSprogress.cancel();
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AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
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builder.setMessage(
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mContext.getText(R.string.sorry_theres_trouble))
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.setCancelable(false)
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.setPositiveButton(mContext.getText(android.R.string.ok),
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new DialogInterface.OnClickListener() {
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public void onClick( DialogInterface dialog, int id) {
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dialog.cancel();
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}
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});
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builder.show();
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}
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}
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}, SystemClock.uptimeMillis()+90000L);
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}
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}
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/**
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|
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* Allows the map to follow the user
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* @param followUser
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* @author ricky barrette
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*/
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|
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public void followUser(boolean followUser){
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Log.d(TAG,"followUser()");
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|
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isFollowingUser = followUser;
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|
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}
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|
||||||
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|
||||||
/**
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|
||||||
* returns the users current bearing
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|
||||||
* @return
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|
||||||
* @author ricky barrette
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|
||||||
*/
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|
||||||
public float getUserBearing(){
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|
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return mBearing;
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|
||||||
}
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|
||||||
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|
||||||
/**
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|
||||||
* returns the users current location
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|
||||||
* @return
|
|
||||||
* @author ricky barrette
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|
||||||
*/
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|
||||||
public GeoPoint getUserLocation(){
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|
||||||
return mPoint;
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|
||||||
}
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|
||||||
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|
||||||
@Override
|
|
||||||
public void onCompassUpdate(float bearing) {
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|
||||||
if(Debug.DEBUG)
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|
||||||
Log.v(TAG, "onCompassUpdate()");
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|
||||||
mBearing = bearing;
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|
||||||
mMapView.invalidate();
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|
||||||
}
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|
||||||
|
|
||||||
/**
|
|
||||||
* called when the SkyHook location changes, this mthod is resposiable for updating the overlay location and accuracy circle.
|
|
||||||
* (non-Javadoc)
|
|
||||||
* @see com.TwentyCodes.android.SkyHook.GeoPointLocationListener.location.LocationListener#onLocationChanged(com.google.android.maps.GeoPoint, float)
|
|
||||||
* @param point
|
|
||||||
* @param accuracy
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
@Override
|
|
||||||
public void onLocationChanged(GeoPoint point, int accuracy) {
|
|
||||||
|
|
||||||
if(mCompass != null)
|
|
||||||
mCompass.setLocation(point);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* if this is the first fix
|
|
||||||
* set map center the users location, and zoom to the max zoom level
|
|
||||||
*/
|
|
||||||
if(point != null && isFistFix){
|
|
||||||
mMapView.getController().setCenter(point);
|
|
||||||
mMapView.getController().setZoom( (mMapView.getMaxZoomLevel() - 2) );
|
|
||||||
mGPSprogress.dismiss();
|
|
||||||
isFistFix = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
//update the users point, and accuracy for the UI
|
|
||||||
mPoint = point;
|
|
||||||
mAccuracy = accuracy;
|
|
||||||
mMapView.invalidate();
|
|
||||||
if(mListener != null){
|
|
||||||
mListener.onLocationChanged(point, accuracy);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (isFollowingUser) {
|
|
||||||
panToUserIfOffMap(point);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* pans the map view if the user is off screen.
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
private void panToUserIfOffMap(GeoPoint user) {
|
|
||||||
GeoPoint center = mMapView.getMapCenter();
|
|
||||||
double distance = GeoUtils.distanceKm(center, user);
|
|
||||||
double distanceLat = GeoUtils.distanceKm(center, new GeoPoint((center.getLatitudeE6() + (int) (mMapView.getLatitudeSpan() / 2)), center.getLongitudeE6()));
|
|
||||||
double distanceLon = GeoUtils.distanceKm(center, new GeoPoint(center.getLatitudeE6(), (center.getLongitudeE6() + (int) (mMapView.getLongitudeSpan() / 2))));
|
|
||||||
|
|
||||||
double whichIsGreater = (distanceLat > distanceLon) ? distanceLat : distanceLon;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* if the user is one the map, keep them their
|
|
||||||
* else don't pan to user unless they pan pack to them
|
|
||||||
*/
|
|
||||||
if( ! (distance > whichIsGreater) )
|
|
||||||
if (distance > distanceLat || distance > distanceLon){
|
|
||||||
mMapView.getController().animateTo(user);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Attempts to register the listener for location updates
|
|
||||||
* @param listener
|
|
||||||
* @author Ricky Barrette
|
|
||||||
*/
|
|
||||||
public void registerListener(GeoPointLocationListener listener){
|
|
||||||
Log.d(TAG,"registerListener()");
|
|
||||||
if (mListener == null){
|
|
||||||
mListener = listener;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Sets the destination for the compass
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void setDestination(GeoPoint destination){
|
|
||||||
if(mCompass != null)
|
|
||||||
mCompass.setDestination(destination);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* UnResgisters the listener. after this call you will no longer get location updates
|
|
||||||
* @author Ricky Barrette
|
|
||||||
*/
|
|
||||||
public void unRegisterListener(){
|
|
||||||
Log.d(TAG,"unRegisterListener()");
|
|
||||||
mListener = null;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Set the compass drawables and location
|
|
||||||
* @param needleResId
|
|
||||||
* @param backgroundResId
|
|
||||||
* @param x
|
|
||||||
* @param y
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void setCompassDrawables(int needleResId, int backgroundResId, int x, int y) {
|
|
||||||
mCompass.setDrawables(needleResId, backgroundResId, x, y);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
@@ -5,498 +5,36 @@
|
|||||||
*/
|
*/
|
||||||
package com.TwentyCodes.android.location;
|
package com.TwentyCodes.android.location;
|
||||||
|
|
||||||
import android.app.AlertDialog;
|
|
||||||
import android.app.ProgressDialog;
|
|
||||||
import android.content.Context;
|
import android.content.Context;
|
||||||
import android.content.DialogInterface;
|
|
||||||
import android.graphics.Bitmap;
|
|
||||||
import android.graphics.BitmapFactory;
|
|
||||||
import android.graphics.Canvas;
|
|
||||||
import android.graphics.Color;
|
|
||||||
import android.graphics.Matrix;
|
|
||||||
import android.graphics.Paint;
|
|
||||||
import android.graphics.Paint.Style;
|
|
||||||
import android.graphics.Point;
|
|
||||||
import android.os.Handler;
|
|
||||||
import android.os.SystemClock;
|
|
||||||
import android.util.Log;
|
|
||||||
|
|
||||||
import com.TwentyCodes.android.SkyHook.R;
|
|
||||||
import com.TwentyCodes.android.debug.Debug;
|
|
||||||
import com.google.android.maps.GeoPoint;
|
|
||||||
import com.google.android.maps.MapView;
|
import com.google.android.maps.MapView;
|
||||||
import com.google.android.maps.Overlay;
|
|
||||||
import com.google.android.maps.Projection;
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* This is the standard version of the UserOverlay.
|
* This is the standard version of the UserOverlay.
|
||||||
* @author ricky barrette
|
* @author ricky barrette
|
||||||
*/
|
*/
|
||||||
public class UserOverlay extends Overlay implements GeoPointLocationListener, CompassListener {
|
public class UserOverlay extends UserOverlayBase{
|
||||||
|
|
||||||
private boolean isEnabled;
|
|
||||||
private int mUserArrow = R.drawable.user_arrow_animation_1;
|
|
||||||
private Thread mAnimationThread;
|
|
||||||
|
|
||||||
private float mBearing = 0;
|
|
||||||
private int mAccuracy;
|
|
||||||
private GeoPoint mPoint;
|
|
||||||
private Context mContext;
|
|
||||||
private AndroidGPS mAndroidGPS;
|
private AndroidGPS mAndroidGPS;
|
||||||
private MapView mMapView;
|
|
||||||
private ProgressDialog mGPSprogress;
|
|
||||||
private boolean isFistFix = true;
|
|
||||||
private GeoPointLocationListener mListener;
|
|
||||||
public boolean isFollowingUser = true;
|
|
||||||
private final String TAG = "SkyHookUserOverlay";
|
|
||||||
private CompasOverlay mCompass;
|
|
||||||
private boolean isCompassEnabled;
|
|
||||||
private boolean isGPSDialogEnabled;
|
|
||||||
private CompassListener mCompassListener;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Construct a new SkyHookUserOverlaymFollowUser
|
|
||||||
* @param mapView
|
|
||||||
* @param context
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public UserOverlay(MapView mapView, Context context) {
|
public UserOverlay(MapView mapView, Context context) {
|
||||||
mContext = context;
|
super(mapView, context);
|
||||||
mMapView = mapView;
|
|
||||||
mAndroidGPS = new AndroidGPS(context);
|
mAndroidGPS = new AndroidGPS(context);
|
||||||
mCompass = new CompasOverlay(context);
|
|
||||||
mUserArrow = R.drawable.user_arrow_animation_1;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
|
||||||
* Construct a new SkyHookUserOverlay
|
|
||||||
* @param mapView
|
|
||||||
* @param context
|
|
||||||
* @param followUser
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public UserOverlay(MapView mapView, Context context, boolean followUser) {
|
public UserOverlay(MapView mapView, Context context, boolean followUser) {
|
||||||
this(mapView, context);
|
super(mapView, context, followUser);
|
||||||
isFollowingUser = followUser;
|
mAndroidGPS = new AndroidGPS(context);
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
@Override
|
||||||
* Disables the compass
|
public void onMyLocationDisabled() {
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void disableCompass(){
|
|
||||||
isCompassEnabled = false;
|
|
||||||
mMapView.getOverlays().remove(mCompass);
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Stops location updates and removes the overlay from view
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void disableMyLocation(){
|
|
||||||
Log.d(TAG,"disableMyLocation()");
|
|
||||||
mAndroidGPS.disableLocationUpdates();
|
mAndroidGPS.disableLocationUpdates();
|
||||||
isEnabled = false;
|
|
||||||
mCompass.disable();
|
|
||||||
if(mGPSprogress != null)
|
|
||||||
mGPSprogress.cancel();
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Disables the Acquiring GPS dialog
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void disableGPSDialog(){
|
|
||||||
isGPSDialogEnabled = false;
|
|
||||||
if(mGPSprogress != null)
|
|
||||||
mGPSprogress.dismiss();
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* we override this methods so we can provide a drawable and a location to draw on the canvas.
|
|
||||||
* (non-Javadoc)
|
|
||||||
* @see com.google.android.maps.Overlay#draw(android.graphics.Canvas, com.google.android.maps.MapView, boolean)
|
|
||||||
* @param canvas
|
|
||||||
* @param mapView
|
|
||||||
* @param shadow
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
@Override
|
|
||||||
public void draw(Canvas canvas, MapView mapView, boolean shadow){
|
|
||||||
if (isEnabled && mPoint != null) {
|
|
||||||
Point center = new Point();
|
|
||||||
Point left = new Point();
|
|
||||||
Projection projection = mapView.getProjection();
|
|
||||||
GeoPoint leftGeo = GeoUtils.distanceFrom(mPoint, mAccuracy);
|
|
||||||
projection.toPixels(leftGeo, left);
|
|
||||||
projection.toPixels(mPoint, center);
|
|
||||||
canvas = drawAccuracyCircle(center, left, canvas);
|
|
||||||
canvas = drawUser(center, mBearing, canvas);
|
|
||||||
/*
|
|
||||||
* the following log is used to demonstrate if the leftGeo point is the correct
|
|
||||||
*/
|
|
||||||
// Log.d(SkyHook.TAG, (GeoUtils.distanceKm(mPoint, leftGeo) * 1000)+"m");
|
|
||||||
}
|
|
||||||
super.draw(canvas, mapView, shadow);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* draws an accuracy circle onto the canvas supplied
|
|
||||||
* @param center point of the circle
|
|
||||||
* @param left point of the circle
|
|
||||||
* @param canvas to be drawn on
|
|
||||||
* @return modified canvas
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
private Canvas drawAccuracyCircle(Point center, Point left, Canvas canvas) {
|
|
||||||
Paint paint = new Paint();
|
|
||||||
|
|
||||||
/*
|
|
||||||
* get radius of the circle being drawn by
|
|
||||||
*/
|
|
||||||
int circleRadius = center.x - left.x;
|
|
||||||
if(circleRadius <= 0){
|
|
||||||
circleRadius = left.x - center.x;
|
|
||||||
}
|
|
||||||
/*
|
|
||||||
* paint a blue circle on the map
|
|
||||||
*/
|
|
||||||
paint.setAntiAlias(true);
|
|
||||||
paint.setStrokeWidth(2.0f);
|
|
||||||
paint.setColor(Color.BLUE);
|
|
||||||
paint.setStyle(Style.STROKE);
|
|
||||||
canvas.drawCircle(center.x, center.y, circleRadius, paint);
|
|
||||||
/*
|
|
||||||
* fill the radius with a alpha blue
|
|
||||||
*/
|
|
||||||
paint.setAlpha(30);
|
|
||||||
paint.setStyle(Style.FILL);
|
|
||||||
canvas.drawCircle(center.x, center.y, circleRadius, paint);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* for testing
|
|
||||||
* draw a dot over the left geopoint
|
|
||||||
*/
|
|
||||||
// paint.setColor(Color.RED);
|
|
||||||
// RectF oval = new RectF(left.x - 1, left.y - 1, left.x + 1, left.y + 1);
|
|
||||||
// canvas.drawOval(oval, paint);
|
|
||||||
|
|
||||||
return canvas;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* draws user arrow that points north based on bearing onto the supplied canvas
|
|
||||||
* @param point to draw user arrow on
|
|
||||||
* @param bearing of the device
|
|
||||||
* @param canvas to draw on
|
|
||||||
* @return modified canvas
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
private Canvas drawUser(Point point, float bearing, Canvas canvas){
|
|
||||||
Bitmap user = BitmapFactory.decodeResource(mContext.getResources(), mUserArrow);
|
|
||||||
Matrix matrix = new Matrix();
|
|
||||||
matrix.postRotate(bearing);
|
|
||||||
Bitmap rotatedBmp = Bitmap.createBitmap(
|
|
||||||
user,
|
|
||||||
0, 0,
|
|
||||||
user.getWidth(),
|
|
||||||
user.getHeight(),
|
|
||||||
matrix,
|
|
||||||
true
|
|
||||||
);
|
|
||||||
canvas.drawBitmap(
|
|
||||||
rotatedBmp,
|
|
||||||
point.x - (rotatedBmp.getWidth() / 2),
|
|
||||||
point.y - (rotatedBmp.getHeight() / 2),
|
|
||||||
null
|
|
||||||
);
|
|
||||||
return canvas;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Enables the compass
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public synchronized void enableCompass(){
|
|
||||||
if(! this.isCompassEnabled){
|
|
||||||
this.mMapView.getOverlays().add(this.mCompass);
|
|
||||||
this.isCompassEnabled = true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Enables the Acquiring GPS dialog if the location has not been acquired
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void enableGPSDialog(){
|
|
||||||
isGPSDialogEnabled = true;
|
|
||||||
if(isFistFix)
|
|
||||||
if(mGPSprogress != null){
|
|
||||||
if(! mGPSprogress.isShowing())
|
|
||||||
mGPSprogress = ProgressDialog.show(mContext, "", mContext.getText(R.string.gps_fix), true, true);
|
|
||||||
} else
|
|
||||||
mGPSprogress = ProgressDialog.show(mContext, "", mContext.getText(R.string.gps_fix), true, true);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Attempts to enable MyLocation, registering for updates from sky hook
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void enableMyLocation(){
|
|
||||||
Log.d(TAG,"enableMyLocation()");
|
|
||||||
if (! isEnabled) {
|
|
||||||
|
|
||||||
mAnimationThread = new AnimationThread();
|
|
||||||
mAnimationThread.start();
|
|
||||||
|
|
||||||
mAndroidGPS.enableLocationUpdates(this);
|
|
||||||
isEnabled = true;
|
|
||||||
mCompass.enable(this);
|
|
||||||
isFistFix = true;
|
|
||||||
if(isGPSDialogEnabled)
|
|
||||||
enableGPSDialog();
|
|
||||||
|
|
||||||
/**
|
|
||||||
* this is a message that tells the user that we are having trouble getting an GPS signal
|
|
||||||
*/
|
|
||||||
new Handler().postAtTime(new Runnable() {
|
|
||||||
@Override
|
|
||||||
public void run() {
|
|
||||||
if(mGPSprogress != null)
|
|
||||||
if (mGPSprogress.isShowing()) {
|
|
||||||
mGPSprogress.cancel();
|
|
||||||
AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
|
|
||||||
builder.setMessage(
|
|
||||||
mContext.getText(R.string.sorry_theres_trouble))
|
|
||||||
.setCancelable(false)
|
|
||||||
.setPositiveButton(mContext.getText(android.R.string.ok),
|
|
||||||
new DialogInterface.OnClickListener() {
|
|
||||||
public void onClick( DialogInterface dialog, int id) {
|
|
||||||
dialog.cancel();
|
|
||||||
}
|
|
||||||
});
|
|
||||||
builder.show();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}, SystemClock.uptimeMillis()+90000L);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Allows the map to follow the user
|
|
||||||
* @param followUser
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void followUser(boolean followUser){
|
|
||||||
Log.d(TAG,"followUser()");
|
|
||||||
isFollowingUser = followUser;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* returns the users current bearing
|
|
||||||
* @return
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public float getUserBearing(){
|
|
||||||
return mBearing;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* returns the users current location
|
|
||||||
* @return
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public GeoPoint getUserLocation(){
|
|
||||||
return mPoint;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public void onCompassUpdate(float bearing) {
|
public void onMyLocationEnabled() {
|
||||||
if(Debug.DEBUG)
|
mAndroidGPS.enableLocationUpdates(this);
|
||||||
Log.v(TAG, "onCompassUpdate()");
|
|
||||||
if(mCompassListener != null)
|
|
||||||
mCompassListener.onCompassUpdate(bearing);
|
|
||||||
mBearing = bearing;
|
|
||||||
mMapView.invalidate();
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* called when the SkyHook location changes, this mthod is resposiable for updating the overlay location and accuracy circle.
|
|
||||||
* (non-Javadoc)
|
|
||||||
* @see com.TwentyCodes.android.SkyHook.GeoPointLocationListener.location.LocationListener#onLocationChanged(com.google.android.maps.GeoPoint, float)
|
|
||||||
* @param point
|
|
||||||
* @param accuracy
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
@Override
|
|
||||||
public void onLocationChanged(GeoPoint point, int accuracy) {
|
|
||||||
|
|
||||||
if(mCompass != null)
|
|
||||||
mCompass.setLocation(point);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* if this is the first fix
|
|
||||||
* set map center the users location, and zoom to the max zoom level
|
|
||||||
*/
|
|
||||||
if(point != null && isFistFix){
|
|
||||||
mMapView.getController().setCenter(point);
|
|
||||||
mMapView.getController().setZoom( (mMapView.getMaxZoomLevel() - 2) );
|
|
||||||
if(mGPSprogress != null)
|
|
||||||
mGPSprogress.dismiss();
|
|
||||||
isFistFix = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
//update the users point, and accuracy for the UI
|
|
||||||
mPoint = point;
|
|
||||||
mAccuracy = accuracy;
|
|
||||||
mMapView.invalidate();
|
|
||||||
if(mListener != null){
|
|
||||||
mListener.onLocationChanged(point, accuracy);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (isFollowingUser) {
|
|
||||||
panToUserIfOffMap(point);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* pans the map view if the user is off screen.
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
private void panToUserIfOffMap(GeoPoint user) {
|
|
||||||
GeoPoint center = mMapView.getMapCenter();
|
|
||||||
double distance = GeoUtils.distanceKm(center, user);
|
|
||||||
double distanceLat = GeoUtils.distanceKm(center, new GeoPoint((center.getLatitudeE6() + (int) (mMapView.getLatitudeSpan() / 2)), center.getLongitudeE6()));
|
|
||||||
double distanceLon = GeoUtils.distanceKm(center, new GeoPoint(center.getLatitudeE6(), (center.getLongitudeE6() + (int) (mMapView.getLongitudeSpan() / 2))));
|
|
||||||
|
|
||||||
double whichIsGreater = (distanceLat > distanceLon) ? distanceLat : distanceLon;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* if the user is one the map, keep them their
|
|
||||||
* else don't pan to user unless they pan pack to them
|
|
||||||
*/
|
|
||||||
if( ! (distance > whichIsGreater) )
|
|
||||||
if (distance > distanceLat || distance > distanceLon){
|
|
||||||
mMapView.getController().animateTo(user);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
|
||||||
* Attempts to register the listener for location updates
|
|
||||||
* @param listener
|
|
||||||
* @author Ricky Barrette
|
|
||||||
*/
|
|
||||||
public void registerListener(GeoPointLocationListener listener){
|
|
||||||
Log.d(TAG,"registerListener()");
|
|
||||||
if (mListener == null){
|
|
||||||
mListener = listener;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Sets the destination for the compass
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void setDestination(GeoPoint destination){
|
|
||||||
if(mCompass != null)
|
|
||||||
mCompass.setDestination(destination);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* UnResgisters the listener. after this call you will no longer get location updates
|
|
||||||
* @author Ricky Barrette
|
|
||||||
*/
|
|
||||||
public void unRegisterListener(){
|
|
||||||
Log.d(TAG,"unRegisterListener()");
|
|
||||||
mListener = null;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Set the compass drawables and location
|
|
||||||
* @param needleResId
|
|
||||||
* @param backgroundResId
|
|
||||||
* @param x
|
|
||||||
* @param y
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void setCompassDrawables(int needleResId, int backgroundResId, int x, int y) {
|
|
||||||
mCompass.setDrawables(needleResId, backgroundResId, x, y);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Sets the CompassListener
|
|
||||||
* @param listener
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
public void setCompassListener(CompassListener listener){
|
|
||||||
mCompassListener = listener;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* This thread is responsible for animating the user icon
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
private class AnimationThread extends Thread {
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Main method of this animation thread
|
|
||||||
* (non-Javadoc)
|
|
||||||
* @see java.lang.Thread#run()
|
|
||||||
*/
|
|
||||||
@Override
|
|
||||||
public void run(){
|
|
||||||
super.run();
|
|
||||||
int index = 0;
|
|
||||||
boolean isCountingUp = true;
|
|
||||||
while (true) {
|
|
||||||
synchronized (this) {
|
|
||||||
if (! isEnabled) {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
switch(index){
|
|
||||||
case 1:
|
|
||||||
setDrawable(R.drawable.user_arrow_animation_2);
|
|
||||||
break;
|
|
||||||
case 2:
|
|
||||||
setDrawable(R.drawable.user_arrow_animation_3);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
setDrawable(R.drawable.user_arrow_animation_1);
|
|
||||||
try {
|
|
||||||
sleep(300l);
|
|
||||||
} catch (InterruptedException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
try {
|
|
||||||
sleep(200l);
|
|
||||||
} catch (InterruptedException e) {
|
|
||||||
e.printStackTrace();
|
|
||||||
}
|
|
||||||
|
|
||||||
if(isCountingUp){
|
|
||||||
if(index++ == 2)
|
|
||||||
isCountingUp = false;
|
|
||||||
} else if(index-- == 0)
|
|
||||||
isCountingUp = true;
|
|
||||||
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Sets the id of the user drawable
|
|
||||||
* @param id
|
|
||||||
* @author ricky barrette
|
|
||||||
*/
|
|
||||||
private synchronized void setDrawable(int id){
|
|
||||||
mUserArrow = id;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
@@ -0,0 +1,520 @@
|
|||||||
|
/**
|
||||||
|
* UserOverlayBase.java
|
||||||
|
* @date Jan 12, 2012
|
||||||
|
* @author ricky barrette
|
||||||
|
* @author Twenty Codes, LLC
|
||||||
|
*/
|
||||||
|
package com.TwentyCodes.android.location;
|
||||||
|
|
||||||
|
import android.app.AlertDialog;
|
||||||
|
import android.app.ProgressDialog;
|
||||||
|
import android.content.Context;
|
||||||
|
import android.content.DialogInterface;
|
||||||
|
import android.graphics.Bitmap;
|
||||||
|
import android.graphics.BitmapFactory;
|
||||||
|
import android.graphics.Canvas;
|
||||||
|
import android.graphics.Color;
|
||||||
|
import android.graphics.Matrix;
|
||||||
|
import android.graphics.Paint;
|
||||||
|
import android.graphics.Point;
|
||||||
|
import android.graphics.Paint.Style;
|
||||||
|
import android.os.Handler;
|
||||||
|
import android.os.SystemClock;
|
||||||
|
import android.util.Log;
|
||||||
|
|
||||||
|
import com.TwentyCodes.android.SkyHook.R;
|
||||||
|
import com.TwentyCodes.android.debug.Debug;
|
||||||
|
import com.google.android.maps.GeoPoint;
|
||||||
|
import com.google.android.maps.MapView;
|
||||||
|
import com.google.android.maps.Overlay;
|
||||||
|
import com.google.android.maps.Projection;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This class will be used to build user overlays
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public abstract class UserOverlayBase extends Overlay implements GeoPointLocationListener, CompassListener {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This thread is responsible for animating the user icon
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public class AnimationThread extends Thread {
|
||||||
|
|
||||||
|
private boolean isAborted;
|
||||||
|
|
||||||
|
public synchronized void abort(){
|
||||||
|
isAborted = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Main method of this animation thread
|
||||||
|
* (non-Javadoc)
|
||||||
|
* @see java.lang.Thread#run()
|
||||||
|
*/
|
||||||
|
@Override
|
||||||
|
public void run(){
|
||||||
|
super.run();
|
||||||
|
int index = 0;
|
||||||
|
boolean isCountingUp = true;
|
||||||
|
while (true) {
|
||||||
|
synchronized (this) {
|
||||||
|
if (! isAborted) {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
switch(index){
|
||||||
|
case 1:
|
||||||
|
setDrawable(R.drawable.user_arrow_animation_2);
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
setDrawable(R.drawable.user_arrow_animation_3);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
setDrawable(R.drawable.user_arrow_animation_1);
|
||||||
|
try {
|
||||||
|
sleep(300l);
|
||||||
|
} catch (InterruptedException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
try {
|
||||||
|
sleep(200l);
|
||||||
|
} catch (InterruptedException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
}
|
||||||
|
|
||||||
|
if(isCountingUp){
|
||||||
|
if(index++ == 2)
|
||||||
|
isCountingUp = false;
|
||||||
|
} else if(index-- == 0)
|
||||||
|
isCountingUp = true;
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Sets the id of the user drawable
|
||||||
|
* @param id
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
private synchronized void setDrawable(int id){
|
||||||
|
mUserArrow = id;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
private final String TAG = "UserOverlayBase";
|
||||||
|
private boolean isEnabled;
|
||||||
|
private int mUserArrow = R.drawable.user_arrow_animation_1;
|
||||||
|
|
||||||
|
private AnimationThread mAnimationThread;
|
||||||
|
private float mBearing = 0;
|
||||||
|
private int mAccuracy;
|
||||||
|
private GeoPoint mPoint;
|
||||||
|
private Context mContext;
|
||||||
|
private MapView mMapView;
|
||||||
|
private ProgressDialog mGPSprogress;
|
||||||
|
private boolean isFistFix = true;
|
||||||
|
private GeoPointLocationListener mListener;
|
||||||
|
public boolean isFollowingUser = true;
|
||||||
|
private CompasOverlay mCompass;
|
||||||
|
private boolean isCompassEnabled;
|
||||||
|
private boolean isGPSDialogEnabled;
|
||||||
|
|
||||||
|
private CompassListener mCompassListener;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Construct a new UserOverlay
|
||||||
|
* @param mapView
|
||||||
|
* @param context
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public UserOverlayBase(MapView mapView, Context context) {
|
||||||
|
super();
|
||||||
|
mContext = context;
|
||||||
|
mMapView = mapView;
|
||||||
|
mCompass = new CompasOverlay(context);
|
||||||
|
mUserArrow = R.drawable.user_arrow_animation_1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Construct a new UserOverlayTODO Auto-generated method stub
|
||||||
|
* @param mapView
|
||||||
|
* @param context
|
||||||
|
* @param followUser
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public UserOverlayBase(MapView mapView, Context context, boolean followUser) {
|
||||||
|
this(mapView, context);
|
||||||
|
isFollowingUser = followUser;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Disables the compass
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public final void disableCompass(){
|
||||||
|
isCompassEnabled = false;
|
||||||
|
mMapView.getOverlays().remove(mCompass);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Disables the Acquiring GPS dialog
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public void disableGPSDialog(){
|
||||||
|
isGPSDialogEnabled = false;
|
||||||
|
if(mGPSprogress != null)
|
||||||
|
mGPSprogress.dismiss();
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Stops location updates and removes the overlay from view
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public final void disableMyLocation(){
|
||||||
|
Log.d(TAG,"disableMyLocation()");
|
||||||
|
onMyLocationDisabled();
|
||||||
|
isEnabled = false;
|
||||||
|
mCompass.disable();
|
||||||
|
mAnimationThread.abort();
|
||||||
|
if(mGPSprogress != null)
|
||||||
|
mGPSprogress.cancel();
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* we override this methods so we can provide a drawable and a location to draw on the canvas.
|
||||||
|
* (non-Javadoc)
|
||||||
|
* @see com.google.android.maps.Overlay#draw(android.graphics.Canvas, com.google.android.maps.MapView, boolean)
|
||||||
|
* @param canvas
|
||||||
|
* @param mapView
|
||||||
|
* @param shadow
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
@Override
|
||||||
|
public void draw(Canvas canvas, MapView mapView, boolean shadow){
|
||||||
|
if (isEnabled && mPoint != null) {
|
||||||
|
Point center = new Point();
|
||||||
|
Point left = new Point();
|
||||||
|
Projection projection = mapView.getProjection();
|
||||||
|
GeoPoint leftGeo = GeoUtils.distanceFrom(mPoint, mAccuracy);
|
||||||
|
projection.toPixels(leftGeo, left);
|
||||||
|
projection.toPixels(mPoint, center);
|
||||||
|
canvas = drawAccuracyCircle(center, left, canvas);
|
||||||
|
canvas = drawUser(center, mBearing, canvas);
|
||||||
|
/*
|
||||||
|
* the following log is used to demonstrate if the leftGeo point is the correct
|
||||||
|
*/
|
||||||
|
// Log.d(TAG, (GeoUtils.distanceKm(mPoint, leftGeo) * 1000)+"m");
|
||||||
|
}
|
||||||
|
super.draw(canvas, mapView, shadow);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* draws an accuracy circle onto the canvas supplied
|
||||||
|
* @param center point of the circle
|
||||||
|
* @param left point of the circle
|
||||||
|
* @param canvas to be drawn on
|
||||||
|
* @return modified canvas
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
private Canvas drawAccuracyCircle(Point center, Point left, Canvas canvas) {
|
||||||
|
Paint paint = new Paint();
|
||||||
|
|
||||||
|
/*
|
||||||
|
* get radius of the circle being drawn by
|
||||||
|
*/
|
||||||
|
int circleRadius = center.x - left.x;
|
||||||
|
if(circleRadius <= 0){
|
||||||
|
circleRadius = left.x - center.x;
|
||||||
|
}
|
||||||
|
/*
|
||||||
|
* paint a blue circle on the map
|
||||||
|
*/
|
||||||
|
paint.setAntiAlias(true);
|
||||||
|
paint.setStrokeWidth(2.0f);
|
||||||
|
paint.setColor(Color.BLUE);
|
||||||
|
paint.setStyle(Style.STROKE);
|
||||||
|
canvas.drawCircle(center.x, center.y, circleRadius, paint);
|
||||||
|
/*
|
||||||
|
* fill the radius with a alpha blue
|
||||||
|
*/
|
||||||
|
paint.setAlpha(30);
|
||||||
|
paint.setStyle(Style.FILL);
|
||||||
|
canvas.drawCircle(center.x, center.y, circleRadius, paint);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* for testing
|
||||||
|
* draw a dot over the left geopoint
|
||||||
|
*/
|
||||||
|
// paint.setColor(Color.RED);
|
||||||
|
// RectF oval = new RectF(left.x - 1, left.y - 1, left.x + 1, left.y + 1);
|
||||||
|
// canvas.drawOval(oval, paint);
|
||||||
|
|
||||||
|
return canvas;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* draws user arrow that points north based on bearing onto the supplied canvas
|
||||||
|
* @param point to draw user arrow on
|
||||||
|
* @param bearing of the device
|
||||||
|
* @param canvas to draw on
|
||||||
|
* @return modified canvas
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
private Canvas drawUser(Point point, float bearing, Canvas canvas){
|
||||||
|
Bitmap user = BitmapFactory.decodeResource(mContext.getResources(), mUserArrow);
|
||||||
|
Matrix matrix = new Matrix();
|
||||||
|
matrix.postRotate(bearing);
|
||||||
|
Bitmap rotatedBmp = Bitmap.createBitmap(
|
||||||
|
user,
|
||||||
|
0, 0,
|
||||||
|
user.getWidth(),
|
||||||
|
user.getHeight(),
|
||||||
|
matrix,
|
||||||
|
true
|
||||||
|
);
|
||||||
|
canvas.drawBitmap(
|
||||||
|
rotatedBmp,
|
||||||
|
point.x - (rotatedBmp.getWidth() / 2),
|
||||||
|
point.y - (rotatedBmp.getHeight() / 2),
|
||||||
|
null
|
||||||
|
);
|
||||||
|
return canvas;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Enables the compass
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public void enableCompass(){
|
||||||
|
if(! this.isCompassEnabled){
|
||||||
|
this.mMapView.getOverlays().add(this.mCompass);
|
||||||
|
this.isCompassEnabled = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Enables the Acquiring GPS dialog if the location has not been acquired
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public void enableGPSDialog(){
|
||||||
|
isGPSDialogEnabled = true;
|
||||||
|
if(isFistFix)
|
||||||
|
if(mGPSprogress != null){
|
||||||
|
if(! mGPSprogress.isShowing())
|
||||||
|
mGPSprogress = ProgressDialog.show(mContext, "", mContext.getText(R.string.gps_fix), true, true);
|
||||||
|
} else
|
||||||
|
mGPSprogress = ProgressDialog.show(mContext, "", mContext.getText(R.string.gps_fix), true, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Attempts to enable MyLocation, registering for updates from provider
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public void enableMyLocation(){
|
||||||
|
Log.d(TAG,"enableMyLocation()");
|
||||||
|
if (! isEnabled) {
|
||||||
|
|
||||||
|
mAnimationThread = new AnimationThread();
|
||||||
|
mAnimationThread.start();
|
||||||
|
|
||||||
|
onMyLocationEnabled();
|
||||||
|
isEnabled = true;
|
||||||
|
mCompass.enable(this);
|
||||||
|
isFistFix = true;
|
||||||
|
if(isGPSDialogEnabled)
|
||||||
|
enableGPSDialog();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* this is a message that tells the user that we are having trouble getting an GPS signal
|
||||||
|
*/
|
||||||
|
new Handler().postAtTime(new Runnable() {
|
||||||
|
@Override
|
||||||
|
public void run() {
|
||||||
|
if(mGPSprogress != null)
|
||||||
|
if (mGPSprogress.isShowing()) {
|
||||||
|
mGPSprogress.cancel();
|
||||||
|
AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
|
||||||
|
builder.setMessage(
|
||||||
|
mContext.getText(R.string.sorry_theres_trouble))
|
||||||
|
.setCancelable(false)
|
||||||
|
.setPositiveButton(mContext.getText(android.R.string.ok),
|
||||||
|
new DialogInterface.OnClickListener() {
|
||||||
|
public void onClick( DialogInterface dialog, int id) {
|
||||||
|
dialog.cancel();
|
||||||
|
}
|
||||||
|
});
|
||||||
|
builder.show();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}, SystemClock.uptimeMillis()+90000L);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Allows the map to follow the user
|
||||||
|
* @param followUser
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public void followUser(boolean followUser){
|
||||||
|
Log.d(TAG,"followUser()");
|
||||||
|
isFollowingUser = followUser;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* returns the users current bearing
|
||||||
|
* @return
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public float getUserBearing(){
|
||||||
|
return mBearing;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* returns the users current location
|
||||||
|
* @return
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public GeoPoint getUserLocation(){
|
||||||
|
return mPoint;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void onCompassUpdate(float bearing) {
|
||||||
|
if(Debug.DEBUG)
|
||||||
|
Log.v(TAG, "onCompassUpdate()");
|
||||||
|
if(mCompassListener != null)
|
||||||
|
mCompassListener.onCompassUpdate(bearing);
|
||||||
|
mBearing = bearing;
|
||||||
|
mMapView.invalidate();
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* called when the SkyHook location changes, this mthod is resposiable for updating the overlay location and accuracy circle.
|
||||||
|
* (non-Javadoc)
|
||||||
|
* @see com.TwentyCodes.android.SkyHook.GeoPointLocationListener.location.LocationListener#onLocationChanged(com.google.android.maps.GeoPoint, float)
|
||||||
|
* @param point
|
||||||
|
* @param accuracy
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
@Override
|
||||||
|
public void onLocationChanged(GeoPoint point, int accuracy) {
|
||||||
|
|
||||||
|
if(mCompass != null)
|
||||||
|
mCompass.setLocation(point);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* if this is the first fix
|
||||||
|
* set map center the users location, and zoom to the max zoom level
|
||||||
|
*/
|
||||||
|
if(point != null && isFistFix){
|
||||||
|
mMapView.getController().setCenter(point);
|
||||||
|
mMapView.getController().setZoom( (mMapView.getMaxZoomLevel() - 2) );
|
||||||
|
if(mGPSprogress != null)
|
||||||
|
mGPSprogress.dismiss();
|
||||||
|
isFistFix = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
//update the users point, and accuracy for the UI
|
||||||
|
mPoint = point;
|
||||||
|
mAccuracy = accuracy;
|
||||||
|
mMapView.invalidate();
|
||||||
|
if(mListener != null){
|
||||||
|
mListener.onLocationChanged(point, accuracy);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (isFollowingUser) {
|
||||||
|
panToUserIfOffMap(point);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Called when disableMyLocation is called. This is where you want to disable any location updates from your provider
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public abstract void onMyLocationDisabled();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Called when the enableMyLocation() is called. This is where you want to ask your location provider for updates
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public abstract void onMyLocationEnabled();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* pans the map view if the user is off screen.
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
private void panToUserIfOffMap(GeoPoint user) {
|
||||||
|
GeoPoint center = mMapView.getMapCenter();
|
||||||
|
double distance = GeoUtils.distanceKm(center, user);
|
||||||
|
double distanceLat = GeoUtils.distanceKm(center, new GeoPoint((center.getLatitudeE6() + (int) (mMapView.getLatitudeSpan() / 2)), center.getLongitudeE6()));
|
||||||
|
double distanceLon = GeoUtils.distanceKm(center, new GeoPoint(center.getLatitudeE6(), (center.getLongitudeE6() + (int) (mMapView.getLongitudeSpan() / 2))));
|
||||||
|
|
||||||
|
double whichIsGreater = (distanceLat > distanceLon) ? distanceLat : distanceLon;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* if the user is one the map, keep them their
|
||||||
|
* else don't pan to user unless they pan pack to them
|
||||||
|
*/
|
||||||
|
if( ! (distance > whichIsGreater) )
|
||||||
|
if (distance > distanceLat || distance > distanceLon){
|
||||||
|
mMapView.getController().animateTo(user);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Attempts to register the listener for location updates
|
||||||
|
* @param listener
|
||||||
|
* @author Ricky Barrette
|
||||||
|
*/
|
||||||
|
public void registerListener(GeoPointLocationListener listener){
|
||||||
|
Log.d(TAG,"registerListener()");
|
||||||
|
if (mListener == null){
|
||||||
|
mListener = listener;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Set the compass drawables and location
|
||||||
|
* @param needleResId
|
||||||
|
* @param backgroundResId
|
||||||
|
* @param x
|
||||||
|
* @param y
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public void setCompassDrawables(int needleResId, int backgroundResId, int x, int y) {
|
||||||
|
mCompass.setDrawables(needleResId, backgroundResId, x, y);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Sets the CompassListener
|
||||||
|
* @param listener
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public void setCompassListener(CompassListener listener){
|
||||||
|
mCompassListener = listener;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Sets the destination for the compass
|
||||||
|
* @author ricky barrette
|
||||||
|
*/
|
||||||
|
public void setDestination(GeoPoint destination){
|
||||||
|
if(mCompass != null)
|
||||||
|
mCompass.setDestination(destination);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* UnResgisters the listener. after this call you will no longer get location updates
|
||||||
|
* @author Ricky Barrette
|
||||||
|
*/
|
||||||
|
public void unRegisterListener(){
|
||||||
|
Log.d(TAG,"unRegisterListener()");
|
||||||
|
mListener = null;
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user