封版羽声，作为最后的基础版
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package com.qxcm.moduleutil.widget.floatingView;
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import android.content.Context;
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import android.content.res.Configuration;
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import android.os.Handler;
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import android.os.Looper;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.MotionEvent;
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import android.view.ViewGroup;
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import android.widget.FrameLayout;
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import com.blankj.utilcode.util.BarUtils;
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/**
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* @Author $
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* @Time $ $
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* @Description $
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*/
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public class Floa extends FrameLayout {
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public static final int MARGIN_EDGE = 13;
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private float mOriginalRawX;
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private float mOriginalRawY;
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private float mOriginalX;
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private float mOriginalY;
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private MagnetViewListener mMagnetViewListener;
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private static final int TOUCH_TIME_THRESHOLD = 150;
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private long mLastTouchDownTime;
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protected MoveAnimator mMoveAnimator;
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protected int mScreenWidth;
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private int mScreenHeight;
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private int mStatusBarHeight;
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private boolean isNearestLeft = true;
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private float mPortraitY;
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public void setMagnetViewListener(MagnetViewListener magnetViewListener) {
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this.mMagnetViewListener = magnetViewListener;
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}
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public interface MagnetViewListener {
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void onClick(Floa floa);
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}
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public Floa(Context context) {
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this(context, null);
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}
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public Floa(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public Floa(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init();
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}
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private void init() {
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mMoveAnimator = new MoveAnimator();
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mStatusBarHeight = BarUtils.getStatusBarHeight();
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setClickable(true);
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updateSize();
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// 确保视图初始位置在屏幕内
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setX(Math.max(0, Math.min(getX(), mScreenWidth - getWidth())));
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setY(Math.max(mStatusBarHeight, Math.min(getY(), mScreenHeight - getHeight())));
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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if (event == null) {
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return false;
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}
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switch (event.getAction()) {
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case MotionEvent.ACTION_DOWN:
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changeOriginalTouchParams(event);
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updateSize();
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mMoveAnimator.stop();
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break;
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case MotionEvent.ACTION_MOVE:
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Log.d("FloatView", "ACTION_MOVE: " + event.getX() + ", " + event.getY()); // 添加日志
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updateViewPosition(event);
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break;
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case MotionEvent.ACTION_UP:
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clearPortraitY();
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moveToEdge();
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if (isOnClickEvent()) {
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dealClickEvent();
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}
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break;
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}
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return true;
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}
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protected void dealClickEvent() {
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if (mMagnetViewListener != null) {
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mMagnetViewListener.onClick(this);
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}
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}
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protected boolean isOnClickEvent() {
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return System.currentTimeMillis() - mLastTouchDownTime < TOUCH_TIME_THRESHOLD;
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}
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private void updateViewPosition(MotionEvent event) {
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// 计算新的Y位置
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float desY = mOriginalY + event.getRawY() - mOriginalRawY;
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// 限制Y位置不超出屏幕高度
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if (desY < mStatusBarHeight) {
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desY = mStatusBarHeight;
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}
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if (desY > mScreenHeight - getHeight()) {
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desY = mScreenHeight - getHeight();
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}
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// 计算新的X位置
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float desX = mOriginalX + event.getRawX() - mOriginalRawX;
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// 限制X位置不超出屏幕宽度
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if (desX < 0) {
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desX = 0;
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}
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if (desX > mScreenWidth - getWidth()) {
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desX = mScreenWidth - getWidth();
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}
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// 设置视图的新位置
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setX(desX);
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setY(desY);
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// 确保视图可见
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if (getVisibility() != VISIBLE) {
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setVisibility(VISIBLE);
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}
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}
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private void changeOriginalTouchParams(MotionEvent event) {
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mOriginalX = getX();//getX()相对于控件X坐标的距离
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mOriginalY = getY();
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mOriginalRawX = event.getRawX();//getRawX()指控件在屏幕上的X坐标
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mOriginalRawY = event.getRawY();
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mLastTouchDownTime = System.currentTimeMillis();
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}
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protected void updateSize() {
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ViewGroup viewGroup = (ViewGroup) getParent();
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if (viewGroup != null) {
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mScreenWidth = viewGroup.getWidth() ;
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mScreenHeight = viewGroup.getHeight();
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}else {
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// 如果父视图为空，使用屏幕的实际宽度和高度
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mScreenWidth = getResources().getDisplayMetrics().widthPixels;
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mScreenHeight = getResources().getDisplayMetrics().heightPixels;
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}
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// mScreenWidth = (SystemUtils.getScreenWidth(getContext()) - this.getWidth());
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// mScreenHeight = SystemUtils.getScreenHeight(getContext());
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}
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public void moveToEdge() {
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moveToEdge(isNearestLeft(), false);
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}
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public void moveToEdge(boolean isLeft, boolean isLandscape) {
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float moveDistance = isLeft ? MARGIN_EDGE : mScreenWidth - MARGIN_EDGE;
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float y = getY();
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if (!isLandscape && mPortraitY != 0) {
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y = mPortraitY;
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clearPortraitY();
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}
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mMoveAnimator.start(moveDistance, Math.min(Math.max(0, y), mScreenHeight - getHeight()));
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}
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private void clearPortraitY() {
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mPortraitY = 0;
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}
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protected boolean isNearestLeft() {
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int middle = mScreenWidth / 2;
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isNearestLeft = getX() < middle;
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return isNearestLeft;
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}
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public void onRemove() {
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if (mMagnetViewListener != null) {
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mMagnetViewListener=null;
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}
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}
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protected class MoveAnimator implements Runnable {
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private Handler handler = new Handler(Looper.getMainLooper());
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private float destinationX;
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private float destinationY;
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private long startingTime;
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void start(float x, float y) {
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this.destinationX = x;
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this.destinationY = y;
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startingTime = System.currentTimeMillis();
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handler.post(this);
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}
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@Override
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public void run() {
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if (getRootView() == null || getRootView().getParent() == null) {
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return;
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}
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float progress = Math.min(1, (System.currentTimeMillis() - startingTime) / 400f);
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float deltaX = (destinationX - getX()) * progress;
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float deltaY = (destinationY - getY()) * progress;
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move(deltaX, deltaY);
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if (progress < 1) {
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handler.post(this);
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}
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}
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private void stop() {
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handler.removeCallbacks(this);
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}
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}
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private void move(float deltaX, float deltaY) {
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setX(getX() + deltaX);
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setY(getY() + deltaY);
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}
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@Override
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protected void onConfigurationChanged(Configuration newConfig) {
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super.onConfigurationChanged(newConfig);
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if (getParent() != null) {
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final boolean isLandscape = newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE;
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markPortraitY(isLandscape);
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((ViewGroup) getParent()).post(new Runnable() {
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@Override
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public void run() {
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updateSize();
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moveToEdge(isNearestLeft, isLandscape);
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}
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});
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}
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}
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private void markPortraitY(boolean isLandscape) {
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if (isLandscape) {
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mPortraitY = getY();
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}
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}
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}
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