Android仿微信activity滑动关闭效果

BaseActivity:public class BaseSlideCloseActivity extends AppCompatActivity implements  SlidingPaneLayout.PanelSlideListener { @Override protected void onCreate(Bundle savedInstanceState) {  initSlideBackClose();  super.onCreate(savedInstanceState); } private void initSlideBackClose() {  if (isSupportSwipeBack()) {   SlidingPaneLayout slidingPaneLayout = new SlidingPaneLayout(this);   // 通过反射改变mOverhangSize的值为0，   // 这个mOverhangSize值为菜单到右边屏幕的最短距离，   // 默认是32dp，现在给它改成0   try {    Field overhangSize = SlidingPaneLayout.class.getDeclaredField("mOverhangSize");    overhangSize.setAccessible(true);    overhangSize.set(slidingPaneLayout, 0);   } catch (Exception e) {    e.printStackTrace();   }   slidingPaneLayout.setPanelSlideListener(this);   slidingPaneLayout.setSliderFadeColor(getResources()     .getColor(android.R.color.transparent));   // 左侧的透明视图   View leftView = new View(this);   leftView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));   slidingPaneLayout.addView(leftView, 0);   ViewGroup decorView = (ViewGroup) getWindow().getDecorView();   // 右侧的内容视图   ViewGroup decorChild = (ViewGroup) decorView.getChildAt(0);   decorChild.setBackgroundColor(getResources()     .getColor(android.R.color.white));   decorView.removeView(decorChild);   decorView.addView(slidingPaneLayout);   // 为 SlidingPaneLayout 添加内容视图   slidingPaneLayout.addView(decorChild, 1);  } } protected boolean isSupportSwipeBack() {  return true; } @Override public void onPanelSlide(View panel, float slideOffset) { } @Override public void onPanelOpened(View panel) {  finish(); } @Override public void onPanelClosed(View panel) { }}

<resources xmlns:tools="http://schemas.android.com/tools"> <!-- Base application theme. --> <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">  <!-- Customize your theme here. -->  <item name="colorPrimary">@color/colorPrimary</item>  <item name="colorPrimaryDark">@color/colorPrimaryDark</item>  <item name="colorAccent">@color/colorAccent</item> </style> <style name="DIY.SlideClose.Transparent.Theme" parent="AppTheme">  <item name="android:windowBackground">@android:color/transparent</item>  <item name="android:windowIsTranslucent">true</item>  <item name="android:windowAnimationStyle">@style/DIY.Animation.SlidingBack</item>  <item name="android:actionBarStyle">@style/DIYActionBar.Custom</item> </style> <style name="DIYActionBar.Custom" parent="@style/Widget.AppCompat.Light.ActionBar.Solid.Inverse">  <item name="displayOptions">showCustom</item>  <item name="android:background">@android:color/transparent</item>  <item name="background">@android:color/transparent</item>  <item name="android:displayOptions" tools:ignore="NewApi">showCustom</item>  <item name="android:height">?actionBarSize</item> </style> <style name="DIY.Animation.SlidingBack" parent="@android:style/Animation.Activity">  <item name="android:activityOpenEnterAnimation">@anim/slide_in_right</item>  <item name="android:activityOpenExitAnimation">@anim/slide_out_right</item>  <item name="android:activityCloseEnterAnimation">@anim/slide_in_right</item>  <item name="android:activityCloseExitAnimation">@anim/slide_out_right</item>  <item name="android:wallpaperOpenEnterAnimation">@anim/slide_in_right</item>  <item name="android:wallpaperOpenExitAnimation">@anim/slide_out_right</item>  <item name="android:wallpaperCloseEnterAnimation">@anim/slide_in_right</item>  <item name="android:wallpaperCloseExitAnimation">@anim/slide_out_right</item>  <item name="android:wallpaperIntraOpenEnterAnimation">@anim/slide_in_right</item>  <item name="android:wallpaperIntraOpenExitAnimation">@anim/slide_out_right</item>  <item name="android:wallpaperIntraCloseEnterAnimation">@anim/slide_in_right</item>  <item name="android:wallpaperIntraCloseExitAnimation">@anim/slide_out_right</item> </style> </resources>