android兼容各版本共享view beta1
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使用
public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); findViewById(R.id.image).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { ShareView.get() .activity(MainActivity.this) .shareView(findViewById(R.id.image)) .startActivity(new Intent(getApplicationContext(),SecondAct.class)); } }); }}activity_main.xml
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.wanjian.shareview.MainActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="First Act"/> <LinearLayout android:id="@+id/image" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:orientation="horizontal"> <ImageView android:layout_width="150dp" android:layout_height="150dp" android:src="@drawable/img"/> <ImageView android:layout_width="150dp" android:layout_height="150dp" android:layout_marginLeft="5dp" android:src="@drawable/img"/> </LinearLayout></RelativeLayout>
public class SecondAct extends AppCompatActivity { String TAG = "AnimView"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_sec); ShareView.get().activity(this).shareView(findViewById(R.id.image)).onCreate(new ShareView.AnimListener() { @Override public void onStart() { Log.d(TAG, "onStart: "); } @Override public void onUpdate(float degree) { //Log.d(TAG, "onUpdate: " + degree); } @Override public void onEnd() { Log.d(TAG, "onEnd: "); } }); View v=findViewById(R.id.image); v.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { ShareView.get().activity(SecondAct.this).shareView(v).startActivity(new Intent(getApplicationContext(),ThreedAct.class)); } }); }}activity_sec.xml
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#fff" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.wanjian.shareview.MainActivity"> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:background="#e1e1e1" android:orientation="vertical"> <LinearLayout android:id="@+id/image" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:orientation="horizontal"> <ImageView android:layout_width="50dp" android:layout_height="50dp" android:src="@drawable/img"/> <ImageView android:layout_width="50dp" android:layout_height="50dp" android:layout_marginLeft="5dp" android:src="@drawable/img"/> </LinearLayout> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="second" android:textColor="#000" android:textSize="20sp"/> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_marginTop="90dp" android:orientation="vertical"> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:text="test"/> <Button android:layout_marginTop="5dp" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="test"/> <Button android:layout_marginTop="5dp" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="test"/> <Button android:layout_marginTop="5dp" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="test"/> <Button android:layout_marginTop="5dp" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="test"/> <Button android:layout_marginTop="5dp" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="test"/> </LinearLayout></RelativeLayout>
package com.wanjian.shareview;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.util.Log;/** * Created by wanjian on 2016/10/18. */public class ThreedAct extends AppCompatActivity { String TAG = "AnimView"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_three); ShareView.get().activity(this).shareView(findViewById(R.id.image)).onCreate(new ShareView.AnimListener() { @Override public void onStart() { Log.d(TAG, "onStart: "); } @Override public void onUpdate(float degree) { //Log.d(TAG, "onUpdate: " + degree); } @Override public void onEnd() { Log.d(TAG, "onEnd: "); } }); }}activity_three.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#fff" android:orientation="vertical" tools:context="com.wanjian.shareview.MainActivity"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical"> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:text="test"/> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="5dp" android:text="test"/> <Button android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="5dp" android:text="test"/> </LinearLayout> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="#e1e1e1" android:orientation="vertical"> <ImageView android:id="@+id/image" android:layout_width="250dp" android:layout_height="250dp" android:src="@drawable/img"/> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="three" android:textColor="#f00" android:textSize="30sp"/> </LinearLayout></LinearLayout>
ShareView源码
package com.wanjian.shareview;import android.app.Activity;import android.content.Intent;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Color;import android.os.Bundle;import android.support.annotation.Nullable;import android.util.Log;import android.view.View;import android.view.ViewGroup;import android.view.ViewTreeObserver;import android.widget.FrameLayout;import java.lang.ref.WeakReference;/** * Created by wanjian on 2016/10/18. * <p> * <p> * 基本思路:<p> * 获取当前activity中所需共享view的影像bitmap(view.draw(new Canvas(bitmap))),和在屏幕上位置,宽高。<p> * 启动新activity时设置没有动画过度act.overridePendingTransition(0, 0)。<p> * 获取新activty中共享view在屏幕上的位置,宽高。<p> * 为新activity添加蒙层(FrameLayout) act.getWindow().getDecorView().addView(animView)<p> * 开启动画(mScroller),绘制之前activty共享view的影像bitmap,通过Matrix对其移动和缩放<p> * <p> * 优点:<p> * 不受布局限制,可以是任何布局,两个activty中共享view可以没有任何联系,大小,位置,随意 * (git上PreLollipopTransition是在父布局内进行属性动画变化,若父布局比较小,则动画过程显示不完整)。 * <p> * <p> * 若没有动画,可能是由于bitmap被回收了,logcat会输出如下<p> * preLaunch: android.graphics.Bitmap@32d90820<p> * onCreate:... android.widget.LinearLayout{deb1680 V.E..... ......I. 0,0-0,0 #7f0b0029 app:id/image} null<p> * * 该demo在魅族mx5上只需多耗费2M内存 */public class ShareView { private String TAG = "AnimView"; private static WeakReference<Activity> sActivityRef; private static WeakReference<View> sViewRef; private static WeakReference<Bitmap> sBitmapRef; private static int[] sViewLocation; private static int width; private static int height; private static ShareView sShareView; public static ShareView get() { return sShareView = new ShareView(); } public ShareView activity(Activity activity) { sActivityRef = new WeakReference<>(activity); return this; } public ShareView shareView(View view) { sViewRef = new WeakReference<>(view); return this; } public void startActivity(Intent intent) { if (sActivityRef == null) { return; } Activity act = sActivityRef.get(); if (act == null) { return; } preLaunch(); act.startActivity(intent); act.overridePendingTransition(0, 0); }// public void startActivity(Intent intent, @Nullable Bundle options) {// if (sActivityRef == null) {// return;// }// Activity act = sActivityRef.get();// if (act == null) {// return;// }// preLaunch();// act.startActivity(intent, potions);// act.overridePendingTransition(0, 0);// } public void startActivityForResult(Intent intent, int requestCode) { if (sActivityRef == null) { return; } Activity act = sActivityRef.get(); if (act == null) { return; } preLaunch(); act.startActivityForResult(intent, requestCode); act.overridePendingTransition(0, 0); }// public void startActivityForResult(Intent intent, int requestCode, @Nullable Bundle options) {// if (sActivityRef == null) {// return;// }// Activity act = sActivityRef.get();// if (act == null) {// return;// }// preLaunch();// act.startActivityForResult(intent, requestCode, options);// act.overridePendingTransition(0, 0);// } public void onCreate(final AnimListener animlistener) { Log.d(TAG, "onCreate: " + sActivityRef + " " + sViewRef + " " + sBitmapRef + " " + sViewLocation); if (sActivityRef == null || sViewRef == null || sBitmapRef == null || sViewLocation == null) { return; } final Activity act = sActivityRef.get(); final View view = sViewRef.get(); final Bitmap bmp = sBitmapRef.get(); Log.d(TAG, "onCreate: " + act + " " + view + " " + bmp); if (act == null || view == null || bmp == null || bmp.isRecycled()) { return; } if (!(act.getWindow().getDecorView() instanceof FrameLayout)) { return; } final FrameLayout animContainer = (FrameLayout) act.getWindow().getDecorView(); final int viewState = view.getVisibility(); view.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { view.getViewTreeObserver().removeGlobalOnLayoutListener(this); Log.d(TAG, "onGlobalLayout: "); view.setVisibility(View.INVISIBLE); int curLocation[] = new int[2]; view.getLocationOnScreen(curLocation); final AnimView animView = new AnimView(act); animContainer.addView(animView); animView.startAnim(bmp, sViewLocation[0], sViewLocation[1], width, height, curLocation[0], curLocation[1], view.getWidth(), view.getHeight(), new AnimListener() { @Override public void onStart() { if (animlistener != null) { animlistener.onStart(); } } @Override public void onUpdate(float degree) { if (animlistener != null) { animlistener.onUpdate(degree); } } @Override public void onEnd() { animContainer.removeView(animView); Log.d(TAG, "onEnd: ---- "); if (animlistener != null) { view.setVisibility(viewState); animlistener.onEnd(); } } }); } }); } private void preLaunch() { if (sViewRef == null) { return; } View view = sViewRef.get(); if (view != null && (width = view.getWidth()) > 0 && (height = view.getHeight()) > 0) { try { Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565); Canvas canvas = new Canvas(bitmap); canvas.drawColor(Color.WHITE);//设置背景白色 view.draw(canvas); sBitmapRef = new WeakReference<>(bitmap); sViewLocation = new int[2]; view.getLocationOnScreen(sViewLocation); Log.d(TAG, "preLaunch: " + bitmap); } catch (Exception e) { e.printStackTrace(); return; } } } interface AnimListener { void onStart(); void onUpdate(float degree); void onEnd(); }}animView
package com.wanjian.shareview;import android.annotation.SuppressLint;import android.content.Context;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Matrix;import android.util.AttributeSet;import android.util.Log;import android.view.View;import android.view.animation.AccelerateDecelerateInterpolator;import android.widget.Scroller;/** * Created by wanjian on 2016/10/18. */public class AnimView extends View { private static final String TAG = "AnimView"; public AnimView(Context context) { super(context); init(); } public AnimView(Context context, AttributeSet attrs) { super(context, attrs); init(); } public AnimView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); init(); } @SuppressLint("NewApi") public AnimView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); init(); } private final int DURATION = 1000; private Scroller mScroller; private Matrix mMatrix; private Bitmap bitmap; private int origL; private int origT; private int origW; private int origH; private int curL; private int curT; private int curW; private int curH; private ShareView.AnimListener listener; private Runnable mTask; private void init() { mMatrix = new Matrix(); mTask = new Runnable() { @Override public void run() { if (listener != null) { listener.onEnd(); } } }; mScroller = new Scroller(getContext(), new AccelerateDecelerateInterpolator()); } public void startAnim(final Bitmap bitmap, int origL, int origT, int origW, int origH, int curL, int curT, int curW, int curH, final ShareView.AnimListener listener) { this.bitmap = bitmap; this.origL = origL; this.origT = origT; this.origW = origW; this.origH = origH; this.curL = curL; this.curT = curT; this.curW = curW; this.curH = curH; this.listener = listener; if (listener != null) { listener.onStart(); } mScroller.startScroll(0, 0, 0, 0, DURATION); invalidate(); postDelayed(mTask, DURATION); } @Override public void computeScroll() { super.computeScroll(); if (mScroller.computeScrollOffset()) { if (listener != null) { listener.onUpdate(1.0f * mScroller.timePassed() / DURATION); } invalidate(); } } @Override protected void onDetachedFromWindow() { if (!bitmap.isRecycled()) { bitmap.recycle(); } getHandler().removeCallbacks(mTask); Log.d(TAG, "onDetachedFromWindow: " + bitmap.isRecycled()); super.onDetachedFromWindow(); } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); Log.d(TAG, "onDraw: "); if (bitmap.isRecycled()) { return; } float degree = 1.0f * mScroller.timePassed() / DURATION; float curX = origL + (curL - origL) * degree; float curY = origT + (curT - origT) * degree; mMatrix.setTranslate(curX, curY); float scaleX = 1.0f * ((curW - origW) * degree + origW) / origW; float scaleY = 1.0f * ((curH - origH) * degree + origH) / origH; mMatrix.preScale(scaleX, scaleY); canvas.drawBitmap(bitmap, mMatrix, null); }}
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