Android简单实现更换桌面背景的方法

http://blog.163.com/lixiaodaoaaa@126/blog/static/349948682012419112330446/



package mldn.lxd.SetWallPaperTest;

import java.io.IOException;

import java.io.InputStream;

import android.app.Activity;

import android.media.SoundPool.OnLoadCompleteListener;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnLongClickListener;

import android.widget.ImageView;

import android.widget.Toast;

public class SetWallPaperActivity extends Activity {





private ImageView imageView = null;



/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

imageView = (ImageView)super.findViewById(R.id.myImg);

imageView.setOnLongClickListener(new myImageOnLongClickListener());

}



private final class myImageOnLongClickListener implements OnLongClickListener

{

@Override

public boolean onLongClick(View v)

{

try

{

SetWallPaperActivity.this.clearWallpaper();

} catch (IOException e)

{

Toast.makeText(getApplicationContext(),"清空桌面背景失败，请稍后再试",Toast.LENGTH_LONG).show();

e.printStackTrace();

}

InputStream myImagInputStream = imageView.getResources().openRawResource(R.drawable.mydesttop);

try

{

SetWallPaperActivity.this.setWallpaper(myImagInputStream);

Toast.makeText(getApplicationContext(),"恭喜你设置成功！！",Toast.LENGTH_LONG).show();

} catch (IOException e)

{

// TODO Auto-generated catch block

Toast.makeText(getApplicationContext(),"设置桌面图标失败，请稍后再试",Toast.LENGTH_LONG).show();

e.printStackTrace();

}

return false;

}

}



}







桌面成功设置了。嘎嘎看如下