import java.io.IOException;
import android.app.Service;
import android.app.WallpaperManager;
import android.content.Intent;
import android.os.IBinder;
public class ChangeService extends Service{
//定义定时更换的壁纸资源
int[] wallpapers =
new int[]{R.drawable.headimage01,
R.drawable.headimage02,
R.drawable.headimage03,
R.drawable.headimage04};
//定义系统的壁纸管理服务
WallpaperManager wManager;
//定义当前所显示的壁纸
int current = 0;
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
// 如果到了最后一张,系统重头开始
if(current>= 4){
current = 0;
}
try {
//改变壁纸
wManager.setResource(wallpapers[current++]);
} catch (IOException e) {
e.printStackTrace();
}
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onCreate() {
super.onCreate();
//初始化WallpaperManager
wManager = WallpaperManager.getInstance(this);
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
}