Question

这是我的清单文件

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.broadcastlistner"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="9" />

    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.broadcastlistner.MainActivity"
            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="com.example.broadcastlistner.receiver.MyBroadCastListener"
     android:enabled="true"
     android:exported="false">
    <intent-filter>
     <action     android:name="android.intent.com.example.broadcastlistner.receiver.MyBroadCastListener.PHONE_STATE" />
        <category android:name="android.intent.category.Default" />
    </intent-filter>
</receiver>

   </application>


    </manifest>

类似这是我的广播接收器类。并且整个应用程序运行但是当手机响铃或任何手机状态正在改变时我都不会收到任何通知。因此，任何人都可以帮助我。非常感谢援助

    package com.example.broadcastlistner;

        import android.app.Notification;
        import android.app.NotificationManager;
        import android.app.PendingIntent;
        import android.content.BroadcastReceiver;
        import android.content.Context;
        import android.content.Intent;
        import android.os.Bundle;
        import android.support.v4.app.NotificationCompat;
        import android.telephony.*;
        import android.util.Log;

        public class MyBroadCastListener  extends BroadcastReceiver{
        @Override
    public void onReceive(final Context context, Intent intent) {

        String phoneNumber = null;
              Bundle extras = intent.getExtras();
        if (intent.getExtras() != null) {

            String state = extras.getString(TelephonyManager.EXTRA_STATE);
             if (state.equals(TelephonyManager.EXTRA_STATE_RINGING)) {
                    phoneNumber = extras
                        .getString(TelephonyManager.EXTRA_INCOMING_NUMBER);

                    if(phoneNumber == null || phoneNumber.trim().length()==0)
                        phoneNumber = "";


                   Log.i(state, "Incomming no");
             createNotification("Incomming      Number:",phoneNumber,context);

             }
             else if(state.equals(TelephonyManager.EXTRA_STATE_OFFHOOK))
             {
                  System.out.println("call Disconnected");
                 Log.i(state, "offhook");
            createNotification("Phone Disconnected:",phoneNumber,context); 
             }
             else if(state.equals(TelephonyManager.EXTRA_STATE_IDLE))
             {
                  System.out.println("Phone is idle");
                  Log.i(state, "phone idle");
                 createNotification("Phone Idle:",phoneNumber,context); 
             }
        }

            // check the current state
    }
        public static void createNotification(String subject,String phoneNumber,Context         context)
    {
        // Prepare intent which is triggered if the
        // notification is selected

        Intent intent = new Intent(context, MainActivity.class);
        PendingIntent pIntent = PendingIntent.getActivity(context, 0, intent, 0);

        // Build notification
        // Actions are just fake
        String longText="this is a test message and will be handled after ward";
        Notification noti = new NotificationCompat.Builder(context)
                .setContentTitle(subject+" "+ "From: " )
                .setContentText(phoneNumber)
                .setSmallIcon(R.drawable.ic_launcher)
                .setContentIntent(pIntent)
                //.setSound(sound)
                .setStyle(new NotificationCompat.BigTextStyle().bigText(longText)) 
                .addAction(R.drawable.ic_launcher, "Call", pIntent)
                .addAction(R.drawable.ic_launcher, "More", pIntent)
                .addAction(R.drawable.ic_launcher, "And more", pIntent).build();


        NotificationManager notificationManager = 
    (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);

        // Hide the notification after its selected
        noti.flags |= Notification.FLAG_AUTO_CANCEL;

        notificationManager.notify(0, noti); 

    }
}

Answer 1

也许检查代码intent.putExtra（）;它应该在sendBroadCast（）或PendingIntent.getBroadCast（）之前。我也有类似的问题。最后我发现我在getBroadCast（）之后执行了putExtra（）。所以意图实际上什么都没有。

无法从broadcastReceiver生成通知

1 个答案: