android中的简单animation(二)push up,push left,cross fade,hyperspace

animation_2.xml:

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
         android:orientation="vertical"
         android:padding="10dip"
         android:layout_width="match_parent"
         android:layout_height="wrap_content">

     <ViewFlipper android:id="@+id/flipper"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:flipInterval=""
         android:layout_marginBottom="20dip" >
                 <TextView
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:gravity="center_horizontal"
                         android:textSize="26sp"
                         android:text="@string/animation_2_text_1"/>
                 <TextView
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:gravity="center_horizontal"
                         android:textSize="26sp"
                         android:text="@string/animation_2_text_2"/>
                 <TextView
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:gravity="center_horizontal"
                         android:textSize="26sp"
                         android:text="@string/animation_2_text_3"/>
                 <TextView
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:gravity="center_horizontal"
                         android:textSize="26sp"
                         android:text="@string/animation_2_text_4"/>
     </ViewFlipper>

     <TextView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginBottom="5dip"
         android:text="@string/animation_2_instructions"
     />

     <Spinner android:id="@+id/spinner"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
     />

 </LinearLayout>

push_up_in.xml(100%p表示相对于父控件100%):

 <?xml version="1.0" encoding="utf-8"?>
 <set xmlns:android="http://schemas.android.com/apk/res/android">
     <translate android:fromYDelta="100%p" android:toYDelta="0" android:duration="300"/>
     <alpha android:fromAlpha="0.0" android:toAlpha="1.0" android:duration="300" />
 </set>

push_up_out.xml:

 <?xml version="1.0" encoding="utf-8"?>
 <set xmlns:android="http://schemas.android.com/apk/res/android">
     <translate android:fromYDelta="0" android:toYDelta="-100%p" android:duration="300"/>
     <alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="300" />
 </set>

push_left_in.xml:

 <?xml version="1.0" encoding="utf-8"?>
 <set xmlns:android="http://schemas.android.com/apk/res/android">
     <translate android:fromXDelta="100%p" android:toXDelta="0" android:duration="300"/>
     <alpha android:fromAlpha="0.0" android:toAlpha="1.0" android:duration="300" />
 </set>

push_left_out.xml:

 <?xml version="1.0" encoding="utf-8"?>
 <set xmlns:android="http://schemas.android.com/apk/res/android">
     <translate android:fromXDelta="0" android:toXDelta="-100%p" android:duration="300"/>
     <alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="300" />
 </set>

Animation2.java:

 package com.example.android.apis.view;

 // Need the following import to get access to the app resources, since this
 // class is in a sub-package.
 import com.example.android.apis.R;

 import android.app.Activity;
 import android.os.Bundle;
 import android.view.View;
 import android.view.animation.AnimationUtils;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.Spinner;
 import android.widget.ViewFlipper;

 public class Animation2 extends Activity implements
         AdapterView.OnItemSelectedListener {

     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.animation_2);

         mFlipper = ((ViewFlipper) this.findViewById(R.id.flipper));
         mFlipper.startFlipping();

         Spinner s = (Spinner) findViewById(R.id.spinner);
         ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
                 android.R.layout.simple_spinner_item, mStrings );
         adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         s.setAdapter(adapter);
         s.setOnItemSelectedListener(this);
     }

     public void onItemSelected(AdapterView<?> parent, View v, int position, long id) {
         switch (position) {

         case 0:
             mFlipper.setInAnimation(AnimationUtils.loadAnimation(this,
                     R.anim.push_up_in));
             mFlipper.setOutAnimation(AnimationUtils.loadAnimation(this,
                     R.anim.push_up_out));
             break;
         case 1:
             mFlipper.setInAnimation(AnimationUtils.loadAnimation(this,
                     R.anim.push_left_in));
             mFlipper.setOutAnimation(AnimationUtils.loadAnimation(this,
                     R.anim.push_left_out));
             break;
         case 2:
             mFlipper.setInAnimation(AnimationUtils.loadAnimation(this,
                     android.R.anim.fade_in));
             mFlipper.setOutAnimation(AnimationUtils.loadAnimation(this,
                     android.R.anim.fade_out));
             break;
         default:
             mFlipper.setInAnimation(AnimationUtils.loadAnimation(this,
                     R.anim.hyperspace_in));                              //hyperspace多维空间
             mFlipper.setOutAnimation(AnimationUtils.loadAnimation(this,
                     R.anim.hyperspace_out));
             break;
         }
     }

     public void onNothingSelected(AdapterView<?> parent) {
     }

     private String[] mStrings = {
             "Push up", "Push left", "Cross fade", "Hyperspace"};

     private ViewFlipper mFlipper;

 }

显示效果如下，选择不同的显示方式，文字将会按照显示方式作不同的显示：