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://scheR_276_11845@as.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>