姬長信(Redy)

android schedule任务在每天的特定时间执行


我想在每天的特定时间更改我的铃声音量.我使用日历来指定时间,我试图使用alarmManager来执行它.这就是我所拥有的. (我是一个对我很轻松的人)
package com.example.ringervolume.app;

import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.media.AudioManager;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;

import java.util.Calendar;


public class MainActivity extends ActionBarActivity {


    private AudioManager audio;
    private PendingIntent pendingIntentam;
    private PendingIntent pentdingIntentpm;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        TextView textViewTime = (TextView) findViewById (R.id.textTime);
        audio = (AudioManager)getSystemService(Context.AUDIO_SERVICE);

        //ringer volume for the am.
        Calendar calendaram = Calendar.getInstance();

        calendaram.set(Calendar.HOUR_OF_DAY, 21);
        calendaram.set(Calendar.MINUTE, 32);
        calendaram.set(Calendar.SECOND, 0);
        calendaram.set(Calendar.AM_PM,Calendar.PM);



        Intent myIntent = new Intent(MainActivity.this, MyReceiver.class);
        pendingIntentam = PendingIntent.getBroadcast(MainActivity.this, 0,myIntent,0);
        AlarmManager alarmManageram = (AlarmManager)getSystemService(ALARM_SERVICE);
        alarmManageram.set(AlarmManager.RTC, calendaram.getTimeInMillis(), pendingIntentam);


    }

    public class MyReceiver extends BroadcastReceiver {

        @Override
        public void onReceive(Context context, Intent intent) {
                Intent scheduledIntent = new Intent(context, myscheduleactivity.class);
            scheduledIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            context.startActivity(scheduledIntent);

        }
    }

    public class myscheduleactivity extends Activity {

        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            audio.setRingerMode(AudioManager.RINGER_MODE_VIBRATE);
        }
    }



    @Override
    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

}