Inital Commit of the framented migration
Signed-off-by: Ricky Barrette <rickbarrette@gmail.com>
This commit is contained in:
@@ -0,0 +1,45 @@
|
||||
/**
|
||||
* FragmentAdapter.java
|
||||
* @date Aug 6, 2011
|
||||
* @author Twenty Codes, LLC
|
||||
* @author ricky barrette
|
||||
*/
|
||||
package com.jakewharton.android.viewpagerindicator;
|
||||
|
||||
import java.util.ArrayList;
|
||||
|
||||
import android.support.v4.app.Fragment;
|
||||
import android.support.v4.app.FragmentManager;
|
||||
import android.support.v4.app.FragmentPagerAdapter;
|
||||
|
||||
/**
|
||||
* This adaptor maintains the How and What fragments
|
||||
* @author ricky
|
||||
*/
|
||||
class FragmentAdapter extends FragmentPagerAdapter {
|
||||
|
||||
private ArrayList<Fragment> mFragments;
|
||||
|
||||
/**
|
||||
* Creates a new FragmentAdaptor
|
||||
* @param fm
|
||||
* @param fragments to be displayed
|
||||
* @author ricky barrette
|
||||
*/
|
||||
public FragmentAdapter(FragmentManager fm, ArrayList<Fragment> fragments) {
|
||||
super(fm);
|
||||
this.mFragments = fragments;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Fragment getItem(int position) {
|
||||
return this.mFragments.get(position);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getCount() {
|
||||
return this.mFragments.size();
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
@@ -0,0 +1,58 @@
|
||||
/*
|
||||
* Copyright (C) 2011 Patrik Akerfeldt
|
||||
* Copyright (C) 2011 Jake Wharton
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package com.jakewharton.android.viewpagerindicator;
|
||||
|
||||
import android.support.v4.view.ViewPager;
|
||||
|
||||
/**
|
||||
* A PageIndicator is responsible to show an visual indicator on the total views
|
||||
* number and the current visible view.
|
||||
*/
|
||||
public interface PageIndicator extends ViewPager.OnPageChangeListener {
|
||||
/**
|
||||
* Bind the indicator to a ViewPager.
|
||||
*
|
||||
* @param view
|
||||
*/
|
||||
public void setViewPager(ViewPager view);
|
||||
|
||||
/**
|
||||
* Bind the indicator to a ViewPager.
|
||||
*
|
||||
* @param view
|
||||
* @param initialPosition
|
||||
*/
|
||||
public void setViewPager(ViewPager view, int initialPosition);
|
||||
|
||||
/**
|
||||
* <p>Set the current page of both the ViewPager and indicator.</p>
|
||||
*
|
||||
* <p>This <strong>must</strong> be used if you need to set the page before
|
||||
* the views are drawn on screen (e.g., default start page).</p>
|
||||
*
|
||||
* @param item
|
||||
*/
|
||||
public void setCurrentItem(int item);
|
||||
|
||||
/**
|
||||
* Set a page change listener which will receive forwarded events.
|
||||
*
|
||||
* @param listener
|
||||
*/
|
||||
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener);
|
||||
}
|
||||
+630
@@ -0,0 +1,630 @@
|
||||
/*
|
||||
* Copyright (C) 2011 Patrik Akerfeldt
|
||||
* Copyright (C) 2011 Francisco Figueiredo Jr.
|
||||
* Copyright (C) 2011 Jake Wharton
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package com.jakewharton.android.viewpagerindicator;
|
||||
|
||||
import java.util.ArrayList;
|
||||
|
||||
import android.content.Context;
|
||||
import android.content.res.Resources;
|
||||
import android.content.res.TypedArray;
|
||||
import android.graphics.Canvas;
|
||||
import android.graphics.Paint;
|
||||
import android.graphics.Path;
|
||||
import android.graphics.Rect;
|
||||
import android.os.Parcel;
|
||||
import android.os.Parcelable;
|
||||
import android.support.v4.view.ViewPager;
|
||||
import android.util.AttributeSet;
|
||||
import android.view.MotionEvent;
|
||||
import android.view.View;
|
||||
import android.widget.TextView;
|
||||
|
||||
import com.TwentyCodes.android.LocationRinger.R;
|
||||
|
||||
/**
|
||||
* A TitlePageIndicator is a PageIndicator which displays the title of left view
|
||||
* (if exist), the title of the current select view (centered) and the title of
|
||||
* the right view (if exist). When the user scrolls the ViewPager then titles are
|
||||
* also scrolled.
|
||||
*/
|
||||
public class TitlePageIndicator extends TextView implements PageIndicator, View.OnTouchListener {
|
||||
private static final float UNDERLINE_FADE_PERCENTAGE = 0.25f;
|
||||
|
||||
public enum IndicatorStyle {
|
||||
None(0), Triangle(1), Underline(2);
|
||||
|
||||
public final int value;
|
||||
|
||||
private IndicatorStyle(int value) {
|
||||
this.value = value;
|
||||
}
|
||||
|
||||
public static IndicatorStyle fromValue(int value) {
|
||||
for (IndicatorStyle style : IndicatorStyle.values()) {
|
||||
if (style.value == value) {
|
||||
return style;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
private ViewPager mViewPager;
|
||||
private ViewPager.OnPageChangeListener mListener;
|
||||
private TitleProvider mTitleProvider;
|
||||
private int mCurrentPage;
|
||||
private int mCurrentOffset;
|
||||
private final Paint mPaintText;
|
||||
private final Paint mPaintSelected;
|
||||
private Path mPath;
|
||||
private final Paint mPaintFooterLine;
|
||||
private IndicatorStyle mFooterIndicatorStyle;
|
||||
private final Paint mPaintFooterIndicator;
|
||||
private float mFooterIndicatorHeight;
|
||||
private float mFooterIndicatorPadding;
|
||||
private float mFooterIndicatorUnderlinePadding;
|
||||
private float mTitlePadding;
|
||||
/** Left and right side padding for not active view titles. */
|
||||
private float mClipPadding;
|
||||
private float mFooterLineHeight;
|
||||
|
||||
|
||||
public TitlePageIndicator(Context context) {
|
||||
this(context, null);
|
||||
}
|
||||
|
||||
public TitlePageIndicator(Context context, AttributeSet attrs) {
|
||||
this(context, attrs, R.attr.titlePageIndicatorStyle);
|
||||
}
|
||||
|
||||
public TitlePageIndicator(Context context, AttributeSet attrs, int defStyle) {
|
||||
super(context, attrs, defStyle);
|
||||
super.setOnTouchListener(this);
|
||||
|
||||
//Load defaults from resources
|
||||
final Resources res = getResources();
|
||||
final int defaultFooterColor = res.getColor(R.color.default_title_indicator_footer_color);
|
||||
final float defaultFooterLineHeight = res.getDimension(R.dimen.default_title_indicator_footer_line_height);
|
||||
final int defaultFooterIndicatorStyle = res.getInteger(R.integer.default_title_indicator_footer_indicator_style);
|
||||
final float defaultFooterIndicatorHeight = res.getDimension(R.dimen.default_title_indicator_footer_indicator_height);
|
||||
final float defaultFooterIndicatorPadding = res.getDimension(R.dimen.default_title_indicator_footer_indicator_padding);
|
||||
final float defaultFooterIndicatorUnderlinePadding = res.getDimension(R.dimen.default_title_indicator_footer_indicator_underline_padding);
|
||||
final int defaultSelectedColor = res.getColor(R.color.default_title_indicator_selected_color);
|
||||
final boolean defaultSelectedBold = res.getBoolean(R.bool.default_title_indicator_selected_bold);
|
||||
final int defaultTextColor = res.getColor(R.color.default_title_indicator_text_color);
|
||||
final float defaultTextSize = res.getDimension(R.dimen.default_title_indicator_text_size);
|
||||
final float defaultTitlePadding = res.getDimension(R.dimen.default_title_indicator_title_padding);
|
||||
final float defaultClipPadding = res.getDimension(R.dimen.default_title_indicator_clip_padding);
|
||||
|
||||
//Retrieve styles attributes
|
||||
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TitlePageIndicator, defStyle, R.style.Widget_TitlePageIndicator);
|
||||
|
||||
//Retrieve the colors to be used for this view and apply them.
|
||||
mFooterLineHeight = a.getDimension(R.styleable.TitlePageIndicator_footerLineHeight, defaultFooterLineHeight);
|
||||
mFooterIndicatorStyle = IndicatorStyle.fromValue(a.getInteger(R.styleable.TitlePageIndicator_footerIndicatorStyle, defaultFooterIndicatorStyle));
|
||||
mFooterIndicatorHeight = a.getDimension(R.styleable.TitlePageIndicator_footerIndicatorHeight, defaultFooterIndicatorHeight);
|
||||
mFooterIndicatorPadding = a.getDimension(R.styleable.TitlePageIndicator_footerIndicatorPadding, defaultFooterIndicatorPadding);
|
||||
mFooterIndicatorUnderlinePadding = a.getDimension(R.styleable.TitlePageIndicator_footerIndicatorUnderlinePadding, defaultFooterIndicatorUnderlinePadding);
|
||||
mTitlePadding = a.getDimension(R.styleable.TitlePageIndicator_titlePadding, defaultTitlePadding);
|
||||
mClipPadding = a.getDimension(R.styleable.TitlePageIndicator_clipPadding, defaultClipPadding);
|
||||
|
||||
final float textSize = a.getDimension(R.styleable.TitlePageIndicator_textSize, defaultTextSize);
|
||||
final int footerColor = a.getColor(R.styleable.TitlePageIndicator_footerColor, defaultFooterColor);
|
||||
mPaintText = new Paint();
|
||||
mPaintText.setColor(a.getColor(R.styleable.TitlePageIndicator_textColor, defaultTextColor));
|
||||
mPaintText.setTextSize(textSize);
|
||||
mPaintText.setAntiAlias(true);
|
||||
mPaintSelected = new Paint();
|
||||
mPaintSelected.setColor(a.getColor(R.styleable.TitlePageIndicator_selectedColor, defaultSelectedColor));
|
||||
mPaintSelected.setTextSize(textSize);
|
||||
mPaintSelected.setFakeBoldText(a.getBoolean(R.styleable.TitlePageIndicator_selectedBold, defaultSelectedBold));
|
||||
mPaintSelected.setAntiAlias(true);
|
||||
mPaintFooterLine = new Paint();
|
||||
mPaintFooterLine.setStyle(Paint.Style.FILL_AND_STROKE);
|
||||
mPaintFooterLine.setStrokeWidth(mFooterLineHeight);
|
||||
mPaintFooterLine.setColor(footerColor);
|
||||
mPaintFooterIndicator = new Paint();
|
||||
mPaintFooterIndicator.setStyle(Paint.Style.FILL_AND_STROKE);
|
||||
mPaintFooterIndicator.setColor(footerColor);
|
||||
|
||||
a.recycle();
|
||||
}
|
||||
|
||||
|
||||
public int getFooterColor() {
|
||||
return mPaintFooterLine.getColor();
|
||||
}
|
||||
|
||||
public void setFooterColor(int footerColor) {
|
||||
mPaintFooterLine.setColor(footerColor);
|
||||
invalidate();
|
||||
}
|
||||
|
||||
public float getFooterLineHeight() {
|
||||
return mFooterLineHeight;
|
||||
}
|
||||
|
||||
public void setFooterLineHeight(float footerLineHeight) {
|
||||
mFooterLineHeight = footerLineHeight;
|
||||
invalidate();
|
||||
}
|
||||
|
||||
public float getFooterIndicatorHeight() {
|
||||
return mFooterIndicatorHeight;
|
||||
}
|
||||
|
||||
public void setFooterIndicatorHeight(float footerTriangleHeight) {
|
||||
mFooterIndicatorHeight = footerTriangleHeight;
|
||||
invalidate();
|
||||
}
|
||||
|
||||
public IndicatorStyle getFooterIndicatorStyle() {
|
||||
return mFooterIndicatorStyle;
|
||||
}
|
||||
|
||||
public void setFooterIndicatorStyle(IndicatorStyle indicatorStyle) {
|
||||
mFooterIndicatorStyle = indicatorStyle;
|
||||
invalidate();
|
||||
}
|
||||
|
||||
public int getSelectedColor() {
|
||||
return mPaintSelected.getColor();
|
||||
}
|
||||
|
||||
public void setSelectedColor(int selectedColor) {
|
||||
mPaintSelected.setColor(selectedColor);
|
||||
invalidate();
|
||||
}
|
||||
|
||||
public boolean isSelectedBold() {
|
||||
return mPaintSelected.isFakeBoldText();
|
||||
}
|
||||
|
||||
public void setSelectedBold(boolean selectedBold) {
|
||||
mPaintSelected.setFakeBoldText(selectedBold);
|
||||
invalidate();
|
||||
}
|
||||
|
||||
public int getTextColor() {
|
||||
return mPaintText.getColor();
|
||||
}
|
||||
|
||||
public void setTextColor(int textColor) {
|
||||
mPaintText.setColor(textColor);
|
||||
invalidate();
|
||||
}
|
||||
|
||||
public float getTextSize() {
|
||||
return mPaintText.getTextSize();
|
||||
}
|
||||
|
||||
public void setTextSize(float textSize) {
|
||||
mPaintText.setTextSize(textSize);
|
||||
invalidate();
|
||||
}
|
||||
|
||||
public float getTitlePadding() {
|
||||
return this.mTitlePadding;
|
||||
}
|
||||
|
||||
public void setTitlePadding(float titlePadding) {
|
||||
mTitlePadding = titlePadding;
|
||||
invalidate();
|
||||
}
|
||||
|
||||
public float getClipPadding() {
|
||||
return this.mClipPadding;
|
||||
}
|
||||
|
||||
public void setClipPadding(float clipPadding) {
|
||||
mClipPadding = clipPadding;
|
||||
invalidate();
|
||||
}
|
||||
|
||||
/*
|
||||
* (non-Javadoc)
|
||||
*
|
||||
* @see android.view.View#onDraw(android.graphics.Canvas)
|
||||
*/
|
||||
@Override
|
||||
protected void onDraw(Canvas canvas) {
|
||||
super.onDraw(canvas);
|
||||
|
||||
//Calculate views bounds
|
||||
ArrayList<Rect> bounds = calculateAllBounds(mPaintText);
|
||||
|
||||
final int count = mViewPager.getAdapter().getCount();
|
||||
final int countMinusOne = count - 1;
|
||||
final int halfWidth = getWidth() / 2;
|
||||
final int left = getLeft();
|
||||
final int width = getWidth();
|
||||
final int height = getHeight();
|
||||
final int leftPlusWidth = left + width;
|
||||
|
||||
//Verify if the current view must be clipped to the screen
|
||||
Rect curViewBound = bounds.get(mCurrentPage);
|
||||
int curViewWidth = curViewBound.right - curViewBound.left;
|
||||
if (curViewBound.left < 0) {
|
||||
//Try to clip to the screen (left side)
|
||||
clipViewOnTheLeft(curViewBound, curViewWidth);
|
||||
}
|
||||
if (curViewBound.right > leftPlusWidth) {
|
||||
//Try to clip to the screen (right side)
|
||||
clipViewOnTheRight(curViewBound, curViewWidth, leftPlusWidth);
|
||||
}
|
||||
|
||||
//Left views starting from the current position
|
||||
if (mCurrentPage > 0) {
|
||||
for (int i = mCurrentPage - 1; i >= 0; i--) {
|
||||
Rect bound = bounds.get(i);
|
||||
int w = bound.right - bound.left;
|
||||
//Is left side is outside the screen
|
||||
if (bound.left < 0) {
|
||||
//Try to clip to the screen (left side)
|
||||
clipViewOnTheLeft(bound, w);
|
||||
//Except if there's an intersection with the right view
|
||||
if (i < countMinusOne && mCurrentPage != i) {
|
||||
Rect rightBound = bounds.get(i + 1);
|
||||
//Intersection
|
||||
if (bound.right + (int)mTitlePadding > rightBound.left) {
|
||||
bound.left = rightBound.left - (w + (int)mTitlePadding);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
//Right views starting from the current position
|
||||
if (mCurrentPage < countMinusOne) {
|
||||
for (int i = mCurrentPage + 1 ; i < count; i++) {
|
||||
Rect bound = bounds.get(i);
|
||||
int w = bound.right - bound.left;
|
||||
//If right side is outside the screen
|
||||
if (bound.right > leftPlusWidth) {
|
||||
//Try to clip to the screen (right side)
|
||||
clipViewOnTheRight(bound, w, leftPlusWidth);
|
||||
//Except if there's an intersection with the left view
|
||||
if (i > 0 && mCurrentPage != i) {
|
||||
Rect leftBound = bounds.get(i - 1);
|
||||
//Intersection
|
||||
if (bound.left - (int)mTitlePadding < leftBound.right) {
|
||||
bound.left = leftBound.right + (int)mTitlePadding;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//Now draw views
|
||||
for (int i = 0; i < count; i++) {
|
||||
//Get the title
|
||||
Rect bound = bounds.get(i);
|
||||
//Only if one side is visible
|
||||
if ((bound.left > left && bound.left < leftPlusWidth) || (bound.right > left && bound.right < leftPlusWidth)) {
|
||||
Paint paint = mPaintText;
|
||||
//Change the color is the title is closed to the center
|
||||
int middle = (bound.left + bound.right) / 2;
|
||||
if (Math.abs(middle - halfWidth) < 20) {
|
||||
paint = mPaintSelected;
|
||||
}
|
||||
canvas.drawText(mTitleProvider.getTitle(i), bound.left, bound.bottom, paint);
|
||||
}
|
||||
}
|
||||
|
||||
//Draw the footer line
|
||||
mPath = new Path();
|
||||
mPath.moveTo(0, height - mFooterLineHeight);
|
||||
mPath.lineTo(width, height - mFooterLineHeight);
|
||||
mPath.close();
|
||||
canvas.drawPath(mPath, mPaintFooterLine);
|
||||
|
||||
switch (mFooterIndicatorStyle) {
|
||||
case Triangle:
|
||||
mPath = new Path();
|
||||
mPath.moveTo(halfWidth, height - mFooterLineHeight - mFooterIndicatorHeight);
|
||||
mPath.lineTo(halfWidth + mFooterIndicatorHeight, height - mFooterLineHeight);
|
||||
mPath.lineTo(halfWidth - mFooterIndicatorHeight, height - mFooterLineHeight);
|
||||
mPath.close();
|
||||
canvas.drawPath(mPath, mPaintFooterIndicator);
|
||||
break;
|
||||
|
||||
case Underline:
|
||||
float deltaPercentage = mCurrentOffset * 1.0f / width;
|
||||
int alpha = 0xFF;
|
||||
int page = mCurrentPage;
|
||||
if (deltaPercentage <= UNDERLINE_FADE_PERCENTAGE) {
|
||||
alpha = (int)(0xFF * ((UNDERLINE_FADE_PERCENTAGE - deltaPercentage) / UNDERLINE_FADE_PERCENTAGE));
|
||||
} else if (deltaPercentage >= (1 - UNDERLINE_FADE_PERCENTAGE)) {
|
||||
alpha = (int)(0xFF * ((deltaPercentage - (1 - UNDERLINE_FADE_PERCENTAGE)) / UNDERLINE_FADE_PERCENTAGE));
|
||||
page += 1; //We are coming into the next page
|
||||
} else if (mCurrentOffset != 0) {
|
||||
break; //Not in underline scope
|
||||
}
|
||||
|
||||
Rect underlineBounds = bounds.get(page);
|
||||
mPath = new Path();
|
||||
mPath.moveTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight);
|
||||
mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight);
|
||||
mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight);
|
||||
mPath.lineTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight);
|
||||
mPath.close();
|
||||
|
||||
mPaintFooterIndicator.setAlpha(alpha);
|
||||
canvas.drawPath(mPath, mPaintFooterIndicator);
|
||||
mPaintFooterIndicator.setAlpha(0xFF);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public final boolean onTouch(View view, MotionEvent event) {
|
||||
if ((view != this) || (event.getAction() != MotionEvent.ACTION_DOWN)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
final int count = mViewPager.getAdapter().getCount();
|
||||
final float halfWidth = getWidth() / 2;
|
||||
final float sixthWidth = getWidth() / 6;
|
||||
|
||||
if ((mCurrentPage > 0) && (event.getX() < halfWidth - sixthWidth)) {
|
||||
mViewPager.setCurrentItem(mCurrentPage - 1);
|
||||
return true;
|
||||
} else if ((mCurrentPage < count - 1) && (event.getX() > halfWidth + sixthWidth)) {
|
||||
mViewPager.setCurrentItem(mCurrentPage + 1);
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public final void setOnTouchListener(OnTouchListener listener) {
|
||||
throw new UnsupportedOperationException("This view does not support listening to its touch events.");
|
||||
}
|
||||
|
||||
/**
|
||||
* Set bounds for the right textView including clip padding.
|
||||
*
|
||||
* @param curViewBound
|
||||
* current bounds.
|
||||
* @param curViewWidth
|
||||
* width of the view.
|
||||
*/
|
||||
private void clipViewOnTheRight(Rect curViewBound, int curViewWidth, int leftPlusWidth) {
|
||||
curViewBound.right = leftPlusWidth - (int)mClipPadding;
|
||||
curViewBound.left = curViewBound.right - curViewWidth;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set bounds for the left textView including clip padding.
|
||||
*
|
||||
* @param curViewBound
|
||||
* current bounds.
|
||||
* @param curViewWidth
|
||||
* width of the view.
|
||||
*/
|
||||
private void clipViewOnTheLeft(Rect curViewBound, int curViewWidth) {
|
||||
curViewBound.left = 0 + (int)mClipPadding;
|
||||
curViewBound.right = curViewWidth;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate views bounds and scroll them according to the current index
|
||||
*
|
||||
* @param paint
|
||||
* @param currentIndex
|
||||
* @return
|
||||
*/
|
||||
private ArrayList<Rect> calculateAllBounds(Paint paint) {
|
||||
ArrayList<Rect> list = new ArrayList<Rect>();
|
||||
//For each views (If no values then add a fake one)
|
||||
final int count = mViewPager.getAdapter().getCount();
|
||||
final int width = getWidth();
|
||||
final int halfWidth = width / 2;
|
||||
for (int i = 0; i < count; i++) {
|
||||
Rect bounds = calcBounds(i, paint);
|
||||
int w = (bounds.right - bounds.left);
|
||||
int h = (bounds.bottom - bounds.top);
|
||||
bounds.left = (halfWidth) - (w / 2) - mCurrentOffset + ((i - mCurrentPage) * width);
|
||||
bounds.right = bounds.left + w;
|
||||
bounds.top = 0;
|
||||
bounds.bottom = h;
|
||||
list.add(bounds);
|
||||
}
|
||||
|
||||
return list;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate the bounds for a view's title
|
||||
*
|
||||
* @param index
|
||||
* @param paint
|
||||
* @return
|
||||
*/
|
||||
private Rect calcBounds(int index, Paint paint) {
|
||||
//Calculate the text bounds
|
||||
Rect bounds = new Rect();
|
||||
bounds.right = (int)paint.measureText(mTitleProvider.getTitle(index));
|
||||
bounds.bottom = (int)(paint.descent() - paint.ascent());
|
||||
return bounds;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setViewPager(ViewPager view) {
|
||||
if (view.getAdapter() == null) {
|
||||
throw new IllegalStateException("ViewPager does not have adapter instance.");
|
||||
}
|
||||
if (!(view.getAdapter() instanceof TitleProvider)) {
|
||||
throw new IllegalStateException("ViewPager adapter must implement TitleProvider to be used with TitlePageIndicator.");
|
||||
}
|
||||
mViewPager = view;
|
||||
mViewPager.setOnPageChangeListener(this);
|
||||
mTitleProvider = (TitleProvider)mViewPager.getAdapter();
|
||||
invalidate();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setViewPager(ViewPager view, int initialPosition) {
|
||||
setViewPager(view);
|
||||
setCurrentItem(initialPosition);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setCurrentItem(int item) {
|
||||
if (mViewPager == null) {
|
||||
throw new IllegalStateException("ViewPager has not been bound.");
|
||||
}
|
||||
mViewPager.setCurrentItem(item);
|
||||
mCurrentPage = item;
|
||||
invalidate();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onPageScrollStateChanged(int state) {
|
||||
if (mListener != null) {
|
||||
mListener.onPageScrollStateChanged(state);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
|
||||
mCurrentPage = position;
|
||||
mCurrentOffset = positionOffsetPixels;
|
||||
invalidate();
|
||||
|
||||
if (mListener != null) {
|
||||
mListener.onPageScrolled(position, positionOffset, positionOffsetPixels);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onPageSelected(int position) {
|
||||
if (mListener != null) {
|
||||
mListener.onPageSelected(position);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
|
||||
mListener = listener;
|
||||
}
|
||||
|
||||
/*
|
||||
* (non-Javadoc)
|
||||
*
|
||||
* @see android.view.View#onMeasure(int, int)
|
||||
*/
|
||||
@Override
|
||||
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
|
||||
setMeasuredDimension(measureWidth(widthMeasureSpec), measureHeight(heightMeasureSpec));
|
||||
}
|
||||
|
||||
/**
|
||||
* Determines the width of this view
|
||||
*
|
||||
* @param measureSpec
|
||||
* A measureSpec packed into an int
|
||||
* @return The width of the view, honoring constraints from measureSpec
|
||||
*/
|
||||
private int measureWidth(int measureSpec) {
|
||||
int result = 0;
|
||||
int specMode = MeasureSpec.getMode(measureSpec);
|
||||
int specSize = MeasureSpec.getSize(measureSpec);
|
||||
|
||||
if (specMode != MeasureSpec.EXACTLY) {
|
||||
throw new IllegalStateException(getClass().getSimpleName() + " can only be used in EXACTLY mode.");
|
||||
}
|
||||
result = specSize;
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Determines the height of this view
|
||||
*
|
||||
* @param measureSpec
|
||||
* A measureSpec packed into an int
|
||||
* @return The height of the view, honoring constraints from measureSpec
|
||||
*/
|
||||
private int measureHeight(int measureSpec) {
|
||||
float result = 0;
|
||||
int specMode = MeasureSpec.getMode(measureSpec);
|
||||
int specSize = MeasureSpec.getSize(measureSpec);
|
||||
|
||||
if (specMode == MeasureSpec.EXACTLY) {
|
||||
//We were told how big to be
|
||||
result = specSize;
|
||||
} else {
|
||||
//Calculate the text bounds
|
||||
Rect bounds = new Rect();
|
||||
bounds.bottom = (int) (mPaintText.descent()-mPaintText.ascent());
|
||||
result = bounds.bottom - bounds.top + mFooterLineHeight;
|
||||
if (mFooterIndicatorStyle != IndicatorStyle.None) {
|
||||
result += mFooterIndicatorHeight + mFooterIndicatorPadding;
|
||||
}
|
||||
}
|
||||
return (int)result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onRestoreInstanceState(Parcelable state) {
|
||||
SavedState savedState = (SavedState)state;
|
||||
super.onRestoreInstanceState(savedState.getSuperState());
|
||||
mCurrentPage = savedState.currentPage;
|
||||
requestLayout();
|
||||
}
|
||||
|
||||
@Override
|
||||
public Parcelable onSaveInstanceState() {
|
||||
setFreezesText(true);
|
||||
Parcelable superState = super.onSaveInstanceState();
|
||||
SavedState savedState = new SavedState(superState);
|
||||
savedState.currentPage = mCurrentPage;
|
||||
return savedState;
|
||||
}
|
||||
|
||||
static class SavedState extends BaseSavedState {
|
||||
int currentPage;
|
||||
|
||||
public SavedState(Parcelable superState) {
|
||||
super(superState);
|
||||
}
|
||||
|
||||
private SavedState(Parcel in) {
|
||||
super(in);
|
||||
currentPage = in.readInt();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeToParcel(Parcel dest, int flags) {
|
||||
super.writeToParcel(dest, flags);
|
||||
dest.writeInt(currentPage);
|
||||
}
|
||||
|
||||
public static final Parcelable.Creator<SavedState> CREATOR = new Parcelable.Creator<SavedState>() {
|
||||
@Override
|
||||
public SavedState createFromParcel(Parcel in) {
|
||||
return new SavedState(in);
|
||||
}
|
||||
|
||||
@Override
|
||||
public SavedState[] newArray(int size) {
|
||||
return new SavedState[size];
|
||||
}
|
||||
};
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,28 @@
|
||||
/*
|
||||
* Copyright (C) 2011 Patrik Akerfeldt
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package com.jakewharton.android.viewpagerindicator;
|
||||
|
||||
/**
|
||||
* A TitleProvider provides the title to display according to a view.
|
||||
*/
|
||||
public interface TitleProvider {
|
||||
/**
|
||||
* Returns the title of the view at position
|
||||
* @param position
|
||||
* @return
|
||||
*/
|
||||
public String getTitle(int position);
|
||||
}
|
||||
+38
@@ -0,0 +1,38 @@
|
||||
/**
|
||||
* TitleFragmentAdapter.java
|
||||
* @date Aug 6, 2011
|
||||
* @author Twenty Codes, LLC
|
||||
* @author ricky barrette
|
||||
*/
|
||||
package com.jakewharton.android.viewpagerindicator;
|
||||
|
||||
import java.util.ArrayList;
|
||||
|
||||
import android.support.v4.app.Fragment;
|
||||
import android.support.v4.app.FragmentManager;
|
||||
|
||||
/**
|
||||
* This adaptor maintains a ViewPager title indicator.
|
||||
* @author ricky
|
||||
*/
|
||||
public class TitledFragmentAdapter extends FragmentAdapter implements TitleProvider {
|
||||
|
||||
private String[] mTitles;
|
||||
|
||||
/**
|
||||
* Creates a new TitleFragmentAdapter
|
||||
* @param fm
|
||||
* @param fragments to be displayed
|
||||
* @param titles for the fragments
|
||||
* @author ricky barrette
|
||||
*/
|
||||
public TitledFragmentAdapter(FragmentManager fm, ArrayList<Fragment> fragments, String[] titles) {
|
||||
super(fm, fragments);
|
||||
this.mTitles = titles;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getTitle(int position) {
|
||||
return this.mTitles[position];
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user