我的应用程序无法正常工作,因为永远不会调用来自MyReceiver类的onReceive方法。请帮助我理解我做错了什么。
MainActivity:
package com.example.beni.smsschedular1;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
public class AlarmReceiver {
private AlarmManager alarmMgr;
// The pending intent that is triggered when the alarm fires.
private PendingIntent alarmIntent;
public void setAlarm(Context context) {
Intent intent = new Intent(context,MyReceiver.class);
PendingIntent pIntent = PendingIntent.getBroadcast(context, 9999, intent, 0);
AlarmManager alarms = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
alarms.set(AlarmManager.RTC_WAKEUP,System.currentTimeMillis() + 10000,pIntent);
Log.i("____SMS", "setAlarm+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
}
下一个类创建意图并使用警报管理器调用它:
package com.example.beni.smsschedular1;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.telephony.SmsManager;
import android.util.Log;
public class MyReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Log.i("-----Send SMS", "ceva+++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
SmsManager smsManager = SmsManager.getDefault(); //create
String phoneNumber = "0762899624";
String message = "Somethig...the message";
smsManager.sendTextMessage(phoneNumber, null, message, null, null);
//the actual sending of message
}
}
}
当时间结束时,下一课应由闹钟管理器触发。
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.beni.smsschedular1" >
<uses-permission android:name="android.permission.SEND_SMS"></uses-permission>
<uses-permission android:name="android.permission.WRITE_SMS"></uses-permission>
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"></uses-permission>
<uses-permission android:name="android.permission.GET_TASKS"></uses-permission>
<uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
<uses-permission android:name="android.permission.WAKE_LOCK" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name"
android:theme="@style/AppTheme.NoActionBar" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
<receiver android:name="com.example.beni.smsschedular1.MyReceiver"></receiver>
</activity>
</application>
</manifest>
AndroidManifest.xml
inovieces/view
答案 0 :(得分:0)
清单中的<receiver>
元素必须位于<activity>
标记之外,但仍在<application>
内。例如:
<manifest ... >
...
<application ... >
<activity
android:name=".MainActivity"
android:label="@string/app_name"
android:theme="@style/AppTheme.NoActionBar" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver android:name=".MyReceiver" />
</application>
</manifest>