init commit

2011-12-17 15:43:48 +00:00
parent eeb14e8bb7
commit 4a0469abf7
190 changed files with 21930 additions and 0 deletions
--- a/LocationLib/src/com/TwentyCodes/android/location/CompassSensor.java
+++ b/LocationLib/src/com/TwentyCodes/android/location/CompassSensor.java
@@ -0,0 +1,138 @@
+/**
+ * CompassSensor.java
+ * @date Mar 2, 2011
+ * @author ricky barrette
+ * @author Twenty Codes, LLC
+ */
+package com.TwentyCodes.android.location;
+
+import android.content.Context;
+import android.content.res.Configuration;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
+import android.os.Handler;
+import android.os.Message;
+
+import com.TwentyCodes.android.debug.Debug;
+
+/**
+ * A simple convince class that accesses the compass sensor on another thread
+ * @author ricky barrette
+ */
+public class CompassSensor{
+	
+	private static final int BEARING = 0;
+	private SensorManager mSensorManager;
+	private Context mContext;
+	private CompassListener mListener;
+	private Handler mHandler;
+	private SensorCallBack mCallBack;
+
+	/**
+	 * A convince callback class for the compass sensor
+	 * @author ricky barrette
+	 */
+	private class SensorCallBack implements SensorEventListener  {
+
+		/**
+		 * (non-Javadoc)
+		 * @see android.hardware.SensorEventListener#onAccuracyChanged(android.hardware.Sensor, int)
+		 * @author ricky barrette
+		 */
+		@Override
+		public void onAccuracyChanged(Sensor sensor, int accuracy) {
+			// NOT USED
+		}
+
+		/**
+		 * (non-Javadoc)
+		 * @see android.hardware.SensorEventListener#onSensorChanged(android.hardware.SensorEvent)
+		 * @author ricky barrette
+		 */
+		@Override
+		public void onSensorChanged(SensorEvent event) {
+			float myAzimuth = event.values[0];
+			// myPitch = event.values[1];
+			float roll = event.values[2];
+
+			if (mContext.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
+
+				boolean isNormal = false;
+				if (roll <= -25)
+					isNormal = false;
+
+				if (roll >= 25)
+					isNormal = true;
+
+				if (isNormal)
+					myAzimuth = myAzimuth + 90;
+				else
+					myAzimuth = myAzimuth - 90;
+			}
+			
+			mHandler.sendMessage(mHandler.obtainMessage(BEARING, myAzimuth));
+		}
+
+
+    }
+	
+	/**
+	 * Creates a new CompassSensor
+	 * @author ricky barrette
+	 */
+	public CompassSensor(Context context) {
+		mContext = context;
+		setUiHandler();
+		
+		//start getting information from the compass sensor
+		new Thread(new Runnable(){
+			@Override
+			public void run() {
+				mSensorManager = (SensorManager) mContext.getSystemService(Context.SENSOR_SERVICE);			
+			}
+		}).start();
+		mCallBack = new SensorCallBack();
+	}
+	
+	/**
+	 * Disables compass updates
+	 * @author ricky barrette
+	 */
+	public void disable(){
+		mListener = null;
+		mSensorManager.unregisterListener(mCallBack);
+	}
+
+	/**
+	 * Attempts to register the listener for compass updates
+	 * @param listener
+	 * @author ricky barrette
+	 */
+	public void enable(CompassListener listener){
+		if(mListener == null) {
+			mListener = listener;
+			if(mSensorManager == null)
+				mSensorManager = (SensorManager) mContext.getSystemService(Context.SENSOR_SERVICE);
+			mSensorManager.registerListener(mCallBack, mSensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION), Debug.COMPASS_UPDATE_INTERVAL);
+		}
+	}
+	
+	/**
+	 * Sets up the UI handler
+	 * @author ricky barrette
+	 */
+	private void setUiHandler() {
+		mHandler = new Handler(){
+			@Override
+			public void handleMessage(Message msg){
+				System.out.print((Float) msg.obj);
+				if(mListener != null)
+					if(msg.what == BEARING)
+						mListener.onCompassUpdate((Float) msg.obj);
+			}
+		};
+	}
+
+}