ViewFlipper实现自动播放的图片库

public class MainActivity extends Activity

{

private ViewFlipper viewFlipper;

private Button autoplay;

@Override

public void onCreate(Bundle savedInstanceState)

{

super .onCreate(savedInstanceState);

setContentView(R.layout.main);

viewFlipper = (ViewFlipper) findViewById(R.id.details);

autoplay = (Button) findViewById(R.id.autoplay);

}

public void prev(View source)

{

viewFlipper.setInAnimation( this , R.anim.slide_in_right);

viewFlipper.setOutAnimation( this , R.anim.slide_out_left);

// 显示上一个组件

viewFlipper.showPrevious();

// 停止自动播放

viewFlipper.stopFlipping();

autoplay.setText("自动播放");

}

public void next(View source)

{

viewFlipper.setInAnimation( this , android.R.anim.slide_in_left);

viewFlipper.setOutAnimation( this , android.R.anim.slide_out_right);

// 显示下一个组件

viewFlipper.showNext();

// 停止自动播放

viewFlipper.stopFlipping();

autoplay.setText("自动播放");

}

public void auto(View source)

{

viewFlipper.setInAnimation( this , android.R.anim.slide_in_left);

viewFlipper.setOutAnimation( this , android.R.anim.slide_out_right);

String s=autoplay.getText().toString();

if (s.equals("自动播放")) {

// 开始自动播放

viewFlipper.startFlipping();

autoplay.setText("停止自动");

} else {

viewFlipper.stopFlipping();

autoplay.setText("自动播放");

}

}

}

<?xml version="1.0" encoding="utf-8" ?>

<RelativeLayout

xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent" >

<ViewFlipper

android:id="@+id/details"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:flipInterval="1000" >

<ImageView

android:src="@drawable/java"

android:layout_width="match_parent"

android:layout_height="wrap_content" >

</ImageView>

<ImageView

android:src="@drawable/android"

android:layout_width="match_parent"

android:layout_height="wrap_content" >

</ImageView>

<ImageView

android:src="@drawable/javaee"

android:layout_width="match_parent"

android:layout_height="wrap_content" >

</ImageView>

</ViewFlipper>

<Button

android:text="<"

android:onClick="prev"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentBottom="true"

android:layout_alignParentLeft="true" />

<Button

android:id="@+id/autoplay"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentBottom="true"

android:layout_centerInParent="true"

android:onClick="auto"

android:text="自动播放" />

<Button

android:text=">"

android:onClick="next"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentBottom="true"

android:layout_alignParentRight="true" />

</RelativeLayout>

<?xml version="1.0" encoding="utf-8" ?>

<set xmlns:android="http://schemas.android.com/apk/res/android" >

<!-- 设置从右边拖进来的动画

android:duration指定动画持续时间 -- >

<translate

android:fromXDelta="100%p"

android:toXDelta="0"

android:duration="@android:integer/config_mediumAnimTime" />

</set>

<?xml version="1.0" encoding="utf-8" ?>

<set xmlns:android="http://schemas.android.com/apk/res/android" >

<!-- 设置从左边拖出去的动画

android:duration指定动画持续时间 -- >

<translate

android:fromXDelta="0"

android:toXDelta="-100%p"

android:duration="@android:integer/config_mediumAnimTime" />

</set>