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Android 利用Gallry实现图片轮播(方法已经被淘汰.不过好用)..可实现无线循环轮播

2017-06-28 11:12 519 查看
直接上代码

public class MainActivity extends Activity {

/**
* 图片资源数组
*/
private int[] imageResIDs;
private Gallery gallery;
private int index = 0;
private final int AUTOPLAY = 2;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);

imageResIDs = new int[]{R.drawable.android, R.drawable.audi, R.drawable.benz, R.drawable.bmw,
R.drawable.buick, R.drawable.chevrolet,};

gallery = (Gallery) findViewById(R.id.gallery);
gallery.setAdapter(new myBaseAdater());

}

class myBaseAdater extends BaseAdapter{

@Override
public int getCount() {
return Integer.MAX_VALUE;
}

@Override
public Object getItem(int position) {
return null;
}

@Override
public long getItemId(int position) {
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
ImageView mview = new ImageView(MainActivity.this);
mview.setImageResource(imageResIDs[position%imageResIDs.length]);
return mview;
}

}

布局
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<Gallery
android:id="@+id/gallery"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>

</FrameLayout>
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标签:  android