本文介绍的是用AlarmManager来设置自己的闹钟,不要忘记用到的类,本文由提到,希望对你有帮助!
用AlarmManager来设置自己的闹钟,其中我们主要用到的类有
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.TimePickerDialog;
这三个是我们必须要用到的类,大家可要记住呀,可不能用错包呀,还有就是最重要的一点,也是大家容易忘了的一点,我们一定要加上权限,这样我们才能 顺利的实现我们想要的效果,代码如下:
java代码:
package eoe.demo;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;
public class AlamrReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
Toast.makeText(context, "闹钟时间到", Toast.LENGTH_LONG).show();
}
}
Java代码:
package eoe.demo;
import java.util.Calendar;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.TimePickerDialog;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.TimePicker;
public class Test extends Activity {
/** Called when the activity is first created. */
private TextView tv = null;
private Button btn_set = null;
private Button btn_cel = null;
private Calendar c = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
tv = (TextView) this.findViewById(R.id.TextView);
btn_set = (Button) this.findViewById(R.id.Button01);
btn_cel = (Button) this.findViewById(R.id.Button02);
c = Calendar.getInstance();
btn_set.setOnClickListener(new Button.OnClickListener(){
public void onClick(View v) {
// TODO Auto-generated method stub
c.setTimeInMillis(System.currentTimeMillis());
int hour = c.get(Calendar.HOUR_OF_DAY);
int minute = c.get(Calendar.MINUTE);
new TimePickerDialog(Test.this,new TimePickerDialog.OnTimeSetListener(){
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
// TODO Auto-generated method stub
c.setTimeInMillis(System.currentTimeMillis());
c.set(Calendar.HOUR_OF_DAY, hourOfDay);
c.set(Calendar.MINUTE, minute);
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
Intent intent = new Intent(Test.this,AlamrReceiver.class);
PendingIntent pi = PendingIntent.getBroadcast(Test.this, 0, intent, 0);
AlarmManager am = (AlarmManager) getSystemService(Activity.ALARM_SERVICE);
am.set(AlarmManager.RTC_WAKEUP, c.getTimeInMillis(), pi);//设置闹钟
am.setRepeating(AlarmManager.RTC_WAKEUP, c.getTimeInMillis(), (10*1000), pi);//重复设置
tv.setText("设置的闹钟时间为:"+hourOfDay+":"+minute);
}
},hour,minute,true).show();
}
});
btn_cel.setOnClickListener(new Button.OnClickListener(){
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(Test.this,AlamrReceiver.class);
PendingIntent pi = PendingIntent.getBroadcast(Test.this, 0, intent, 0);
AlarmManager am = (AlarmManager) getSystemService(Activity.ALARM_SERVICE);
am.cancel(pi);
tv.setText("闹钟取消");
}
});
}
}
Java代码:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView android:layout_width="fill_parent"
android:id="@+id/TextView"
android:layout_height="wrap_content" android:text="@string/hello" />
<Button android:text="设置闹钟" android:id="@+id/Button01"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</Button>
<Button android:text="取消闹钟" android:id="@+id/Button02"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</Button>
</LinearLayout>
Java代码:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="eoe.demo"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Test"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver android:name=".AlamrReceiver" android:process=":remote"></receiver>
</application>
</manifest>