以编程方式设置android闹钟

Question

我正在尝试构建一个将在DeskClock应用程序中设置警报的个人应用程序.我可以让它在当天的任何时间设置闹钟,但是我如何设置第二天或本周晚些时候的闹钟.通过android中的AlarmClock api查看我没有看到正常的方法来做到这一点.这甚至可能吗？

顺便说一下,这是我设置警报的代码,它可能不太漂亮,但我正在学习.

 package com.netwokz.setit;

    import java.util.Calendar;
    import java.util.GregorianCalendar;

    import android.app.Activity;
    import android.content.Intent;
    import android.os.Bundle;
    import android.provider.AlarmClock;
    import android.view.Menu;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.Button;
    import android.widget.EditText;

    public class MainActivity extends Activity implements OnClickListener {
    Button btnSetAlarm;
    EditText etHour, etMinute;
    int minute, hour, day;
    Calendar cal;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main_activity);
        btnSetAlarm = (Button) findViewById(R.id.btn_set_alarm);
        etHour = (EditText) findViewById(R.id.etHour);
        etMinute = (EditText) findViewById(R.id.etMinute);
        btnSetAlarm.setOnClickListener(this);

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main_activity, menu);
        return true;
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.btn_set_alarm:
                setAlarm();
                break;
        }
    }

    private void setAlarm() {
        cal = new GregorianCalendar();
        cal.setTimeInMillis(System.currentTimeMillis());
        day = cal.get(Calendar.DAY_OF_WEEK);
        hour = cal.get(Calendar.HOUR_OF_DAY);
        minute = cal.get(Calendar.MINUTE);

        Intent i = new Intent(AlarmClock.ACTION_SET_ALARM);
        i.putExtra(AlarmClock.EXTRA_HOUR, hour + Integer.parseInt(etHour.getText().toString()));
        i.putExtra(AlarmClock.EXTRA_MINUTES, minute + Integer.parseInt(etMinute.getText().toString()));
        i.putExtra(AlarmClock.EXTRA_SKIP_UI, true);
        startActivity(i);
    }
}

Answer 1

MainActivity.java

public class MainActivity extends Activity {

    TimePicker myTimePicker;
    Button buttonstartSetDialog;
    TextView textAlarmPrompt;
    TimePickerDialog timePickerDialog;

    final static int RQS_1 = 1;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        textAlarmPrompt = (TextView) findViewById(R.id.alarmprompt);

        buttonstartSetDialog = (Button) findViewById(R.id.startAlaram);
        buttonstartSetDialog.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                textAlarmPrompt.setText("");
                openTimePickerDialog(false);

            }
        });

    }

    private void openTimePickerDialog(boolean is24r) {
        Calendar calendar = Calendar.getInstance();

        timePickerDialog = new TimePickerDialog(MainActivity.this,
                onTimeSetListener, calendar.get(Calendar.HOUR_OF_DAY),
                calendar.get(Calendar.MINUTE), is24r);
        timePickerDialog.setTitle("Set Alarm Time");

        timePickerDialog.show();

    }

    OnTimeSetListener onTimeSetListener = new OnTimeSetListener() {

        @Override
        public void onTimeSet(TimePicker view, int hourOfDay, int minute) {

            Calendar calNow = Calendar.getInstance();
            Calendar calSet = (Calendar) calNow.clone();

            calSet.set(Calendar.HOUR_OF_DAY, hourOfDay);
            calSet.set(Calendar.MINUTE, minute);
            calSet.set(Calendar.SECOND, 0);
            calSet.set(Calendar.MILLISECOND, 0);

            if (calSet.compareTo(calNow) <= 0) {
                // Today Set time passed, count to tomorrow
                calSet.add(Calendar.DATE, 1);
            }

            setAlarm(calSet);
        }
    };

    private void setAlarm(Calendar targetCal) {

        textAlarmPrompt.setText("\n\n***\n" + "Alarm is set "
                + targetCal.getTime() + "\n" + "***\n");

        Intent intent = new Intent(getBaseContext(), AlarmReceiver.class);
        PendingIntent pendingIntent = PendingIntent.getBroadcast(
                getBaseContext(), RQS_1, intent, 0);
        AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
        alarmManager.set(AlarmManager.RTC_WAKEUP, targetCal.getTimeInMillis(),
                pendingIntent);

    }  
}

Reciver.java

public class AlarmReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context k1, Intent k2) {
        // TODO Auto-generated method stub
         Toast.makeText(k1, "Alarm received!", Toast.LENGTH_LONG).show();

    }

}

main_activity.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="10dp" >

    <Button
        android:id="@+id/startAlaram"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Set Alaram Time" />

    <TextView
        android:id="@+id/alarmprompt"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:textColor="#000000" />

</LinearLayout>

的Manifest.xml

<application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/title_activity_main" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
         <receiver android:name=".AlarmReceiver" android:process=":remote" />
    </application>

Answer 2

尝试一个未决的意图怎么样？

只需提前将日历值更改为几天左右？

AlarmManager am = (AlarmManager)getSystemService(alarm);

Intent i= new Intent("MY_INTENT");
PendingIntent pi = PendingIntent.getBroadcast(this, 0, i, 0);

Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(System.currentTimeMillis());
calendar.add(Calendar.MINUTE, 2);
am.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pi);