Broadcast(4)

package org.lxh.demo;import java.text.SimpleDateFormat;import java.util.Date;import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.os.Bundle;public class AlarmMessage extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);new AlertDialog.Builder(this)// 建立对话框.setIcon(R.drawable.pic_m)// 设置图标.setTitle("闹钟时间已到！")// 设置对话框标题.setMessage(// 定义显示文字"闹钟响起，现在时间："+ new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒").format(new Date(System.currentTimeMillis()))).setPositiveButton("关闭", new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int whichButton) {AlarmMessage.this.finish();// 关闭对话框后本程序结束}}).show();// 显示对话框}}

package org.lxh.demo;import java.util.Calendar;import android.app.Activity;import android.app.AlarmManager;import android.app.PendingIntent;import android.content.Context;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;import android.widget.TimePicker;import android.widget.TimePicker.OnTimeChangedListener;import android.widget.Toast;public class MyAlarmManagerDemo extends Activity {private AlarmManager alarm = null;// 闹钟管理private Button set = null;// 按钮组件private Button delete = null;// 按钮组件private TextView msg = null;// 文本显示组件private Calendar calendar = Calendar.getInstance();// 取得Calendar对象private TimePicker time = null;// 时间选择器private int hourOfDay = 0;// 保存设置的时private int minute = 0;// 保存设置的分@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);super.setContentView(R.layout.main); // 调用布局管理器this.time = (TimePicker) super.findViewById(R.id.time); // 取得时间选择器this.set = (Button) super.findViewById(R.id.set); // 取得按钮组件this.delete = (Button) super.findViewById(R.id.delete); // 取得按钮组件this.msg = (TextView) super.findViewById(R.id.msg);// 取得组件this.set.setOnClickListener(new SetOnClickListenerImpl()); // 设置单击事件this.delete.setOnClickListener(new DeleteOnClickListenerImpl()); // 设置单击事件this.alarm = (AlarmManager) super.getSystemService(Context.ALARM_SERVICE); // 取得闹钟服务this.time.setOnTimeChangedListener(new OnTimeChangedListenerImpl()); // 设置时间改变监听this.time.setIs24HourView(true); // 24小时制}private class OnTimeChangedListenerImpl implements OnTimeChangedListener {@Overridepublic void onTimeChanged(TimePicker view, int hourOfDay, int minute) {MyAlarmManagerDemo.this.calendar.setTimeInMillis(System.currentTimeMillis());// 设置当前时间MyAlarmManagerDemo.this.calendar.set(Calendar.HOUR_OF_DAY,hourOfDay);// 设置小时MyAlarmManagerDemo.this.calendar.set(Calendar.MINUTE, minute);// 设置分钟MyAlarmManagerDemo.this.calendar.set(Calendar.SECOND, 0);// 设置秒MyAlarmManagerDemo.this.calendar.set(Calendar.MILLISECOND, 0);// 设置毫秒MyAlarmManagerDemo.this.hourOfDay = hourOfDay; // 保存设置的小时MyAlarmManagerDemo.this.minute = minute; // 保存设置的分钟}}private class SetOnClickListenerImpl implements OnClickListener {@Overridepublic void onClick(View view) {Intent intent = new Intent(MyAlarmManagerDemo.this,MyAlarmReceiver.class); // 指定跳转的Intentintent.setAction("org.lxh.action.setalarm"); // 定义广播的ActionPendingIntent sender = PendingIntent.getBroadcast(MyAlarmManagerDemo.this, 0, intent,PendingIntent.FLAG_UPDATE_CURRENT);// 指定PendingIntentMyAlarmManagerDemo.this.alarm.set(AlarmManager.RTC_WAKEUP,MyAlarmManagerDemo.this.calendar.getTimeInMillis(), sender);// 设置闹钟MyAlarmManagerDemo.this.msg.setText("闹钟响起的时间是："+ MyAlarmManagerDemo.this.hourOfDay + "时"+ MyAlarmManagerDemo.this.minute + "分。");// 提示文字Toast.makeText(MyAlarmManagerDemo.this, "闹钟设置成功！",Toast.LENGTH_SHORT).show();// 显示提示信息}}private class DeleteOnClickListenerImpl implements OnClickListener {@Overridepublic void onClick(View view) {if (MyAlarmManagerDemo.this.alarm != null) {Intent intent = new Intent(MyAlarmManagerDemo.this,MyAlarmReceiver.class);// 设置IntentPendingIntent sender = PendingIntent.getBroadcast(MyAlarmManagerDemo.this, 0, intent,PendingIntent.FLAG_UPDATE_CURRENT);// 指定PendingIntentMyAlarmManagerDemo.this.alarm.cancel(sender);// 取消闹钟MyAlarmManagerDemo.this.msg.setText("当前没有设置闹钟。");// 提示文字Toast.makeText(MyAlarmManagerDemo.this, "闹钟删除成功！",Toast.LENGTH_SHORT).show();// 显示提示信息}}}}

package org.lxh.demo;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;public class MyAlarmReceiver extends BroadcastReceiver {@Overridepublic void onReceive(Context context, Intent intent) {Intent it = new Intent(context, AlarmMessage.class);// 定义要操作的Intentit.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);// 传递一个新的任务标记context.startActivity(it);// 启动Intent}}

<?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" android:gravity="center_horizontal"><TimePicker android:id="@+id/time" android:layout_width="fill_parent"android:layout_height="wrap_content" /><TextView android:id="@+id/msg" android:layout_width="fill_parent"android:layout_height="wrap_content" android:text="当前没有设置闹钟" /><Button android:id="@+id/set" android:layout_width="fill_parent"android:layout_height="wrap_content" android:text="设置闹钟" /><Button android:id="@+id/delete" android:layout_width="fill_parent"android:layout_height="wrap_content" android:text="删除闹钟" /></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"package="org.lxh.demo" android:versionCode="1" android:versionName="1.0"><uses-sdk android:minSdkVersion="10" /><application android:icon="@drawable/icon" android:label="@string/app_name"><activity android:name=".MyAlarmManagerDemo" android:label="@string/app_name"><intent-filter><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /></intent-filter></activity><activity android:name=".AlarmMessage" /><receiver android:name="MyAlarmReceiver" android:enabled="true"android:process=":remote"><intent-filter><action android:name="org.lxh.action.setalarm" /></intent-filter></receiver></application></manifest>