import android.os.Bundle;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class AlarmChangeWallpaper extends Activity {
  //定义AlarmManager对象
  AlarmManager aManager;
  Button start;
  Button stop;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_alarm_change_wallpaper);
    start = (Button) findViewById(R.id.start);
    stop = (Button) findViewById(R.id.stop);
    aManager = (AlarmManager) getSystemService(Service.ALARM_SERVICE);
    //指定启动ChangeService组件
    Intent intent = new Intent(AlarmChangeWallpaper.this, ChangeService.class);
    //创建PendingIntent对象
    final PendingIntent pi = PendingIntent.getService(AlarmChangeWallpaper.this,
                  0, intent, 0);
    start.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        // 设置每隔5秒执行pi代表的组件一次
        aManager.setRepeating(AlarmManager.RTC_WAKEUP, 0, 5000, pi);
        start.setEnabled(false);
        stop.setEnabled(true);
        Toast.makeText(AlarmChangeWallpaper.this,
              "壁纸定时更换启动成功了", 5000).show();
      }
    });
    stop.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        start.setEnabled(true);
        stop.setEnabled(false);
        //取消对pi的调度
        aManager.cancel(pi);
      }
    });
  }


}

posted on 2016-06-23 14:14  奋斗青年一族  阅读(184)  评论(0编辑  收藏  举报