頁面切換的動畫效果 overridePendingTransition ~

•  slide_in_right.xml
  

  <?xml version="1.0" encoding="utf-8"?>
  <!--
  /* //device/apps/common/res/anim/slide_in_right.xml
  **
  ** Copyright 2007, The Android Open Source Project
  **
  ** 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.
  */
  -->
  
  <set xmlns:android="http://schemas.android.com/apk/res/android">
   <translate android:fromXDelta="50%p" android:toXDelta="0"
              android:duration="@android:integer/config_mediumAnimTime"/>
   <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
              android:duration="@android:integer/config_mediumAnimTime" />
  </set>

  
  slide_out_left.xml
  
  
  
  <?xml version="1.0" encoding="utf-8"?>
  <!--
  /* //device/apps/common/res/anim/slide_out_left.xml
  **
  ** Copyright 2007, The Android Open Source Project
  **
  ** 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.
  */
  -->
  
  <set xmlns:android="http://schemas.android.com/apk/res/android">
   <translate android:fromXDelta="0" android:toXDelta="-50%p"
              android:duration="@android:integer/config_mediumAnimTime"/>
   <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
              android:duration="@android:integer/config_mediumAnimTime" />
  </set>
  
  
  -----------------------------------
  
  startActivity(i);
  overridePendingTransition(android.R.anim.fade_in, android.R.anim.fade_out);
  
  
  
  ----------------------------------------
  
  overridePendingTransition(android.R.anim.slide_in_left, android.R.anim.slide_out_right);//中向右
  overridePendingTransition(R.anim.slide_in_right, R.anim.slide_out_left);//中向左
  
  activity switch animation