Always 运行 Service with BroadcastReceiver for Call Tapping

Always running Service with BroadcastReceiver for Call Tapping

我的要求

我正在尝试构建一个应用程序,它会在用户从 phone 拨出电话时显示 Toast。为此,我使用 BroadcastReceiver 来点击呼叫操作和服务(总是 运行 Receiver)。一旦我开始这个 activity,它会在拨出电话启动时开始显示 toast ...一切正常。

问题

  1. 有时我也没有收到任何 Toast 操作 EVEN,这是否意味着服务会在一段时间后停止?

  2. phone 重启后,拨出呼叫的 Toast 操作停止。直到您再次手动启动服务。

  3. 我写的代码可以吗?或者可以改进吗?

完整代码如下-

MainActivity.class

public class MainActivity extends Activity 
{
    CallNotifierService m_service;
    boolean isBound = false;

    private ServiceConnection m_serviceConnection = new ServiceConnection() 
    {
        @Override
        public void onServiceConnected(ComponentName className, IBinder service) 
        {
            m_service = ((CallNotifierService.MyBinder)service).getService();
            Toast.makeText(MainActivity.this, "Service Connected", Toast.LENGTH_LONG).show();
            isBound = true;
            Intent intent = new Intent(MainActivity.this, CallNotifierService.class);
            startService(intent);
        }

        @Override
        public void onServiceDisconnected(ComponentName className) 
        {
            m_service = null;
            isBound = false;
        }
    };

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

        Intent intent = new Intent(this, CallNotifierService.class);
        bindService(intent, m_serviceConnection, Context.BIND_AUTO_CREATE);
    }
    .
    .
    .
}

CallNotifierService.class

public class CallNotifierService extends Service 
{
    private final IBinder myBinder = new MyBinder();
    private static final String ACTION_OUTGOING_CALL = "android.intent.action.NEW_OUTGOING_CALL";
    private static final String ACTION_ANSWER = "android.intent.action.ANSWER";
    private static final String ACTION_CALL = "android.intent.action.CALL";

    private CallBr br_call;

    @Override
    public IBinder onBind(Intent arg0) 
    {
        return myBinder;
    }

    @Override
    public void onDestroy() 
    {
        Log.d("service", "destroy");
        this.unregisterReceiver(this.br_call);
        Toast.makeText(CallNotifierService.this, "Receiver Un-Registered", Toast.LENGTH_LONG).show();
        super.onDestroy();
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId)
    {
        final IntentFilter filter = new IntentFilter();
        filter.addAction(ACTION_ANSWER);
        filter.addAction(ACTION_CALL);
        filter.addAction(ACTION_OUTGOING_CALL);
        this.br_call = new CallBr();
        this.registerReceiver(this.br_call, filter);
        Toast.makeText(CallNotifierService.this, "onStartCommand Called", Toast.LENGTH_LONG).show();
        return START_STICKY;
    }

    public class MyBinder extends Binder 
    {
        CallNotifierService getService() 
        {
            return CallNotifierService.this;
        }
    }

    public class CallBr extends BroadcastReceiver 
    {
        public CallBr() {}

        @Override
        public void onReceive(Context context, Intent intent) 
        {
            Toast.makeText(context, "Action:"+intent.getAction(), Toast.LENGTH_LONG).show();
        }
    }
}

Manifest.xml

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

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

    <uses-sdk
        android:minSdkVersion="22"
        android:targetSdkVersion="22" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".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>
        <service android:name="com.example.alwaysrunningprocesswithcallanswertap.CallNotifierService" />
    </application>

</manifest>

任何人都可以帮助解决这个问题或指出更好的东西吗?

@Bharat 一旦设备自动关闭,服务就会停止,所以每当您的设备重新启动时,您需要再次启动服务,那么只有您会得到吐司操作,请参考此示例代码:

BootCompleteReceiver.java

package com.example.newbootservice;

import android.content.BroadcastReceiver;  
import android.content.Context;  
import android.content.Intent;    

public class BootCompleteReceiver extends BroadcastReceiver {   

@Override  
public void onReceive(Context context, Intent intent) {  

   Intent service = new Intent(context, AutostartService.class);  
   context.startService(service);   

        }  

    }

自动启动服务。java

package com.example.newbootservice;

import android.app.Service;  
import android.content.Intent;  
import android.os.IBinder;   
import android.widget.Toast;

public class AutostartService extends Service {  


    @Override  
    public void onCreate() {  
        super.onCreate();    
    }  

    @Override  
    public int onStartCommand(Intent intent, int flags, int startId) {  

        Toast.makeText(this, "Service Started", Toast.LENGTH_LONG).show();
        return Service.START_STICKY;  
    }  

    @Override
    public void onDestroy() {

        super.onDestroy();
        Toast.makeText(this, "Service Destroy", Toast.LENGTH_LONG).show();
    }

    @Override  
    public IBinder onBind(Intent arg0) {  
        return null;  
    }  
} 

MainActivity.java

package com.example.newbootservice;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;

public class MainActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        startService(new Intent(getBaseContext(), AutostartService.class));
    }

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

Manifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.newbootservice"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="15" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >

        <service android:name=".AutostartService"/>

        <receiver android:name=".BootCompleteReceiver">  
            <intent-filter>     
                <action android:name="android.intent.action.BOOT_COMPLETED"/>  
                <category android:name="android.intent.category.DEFAULT" />  
            </intent-filter>  
        </receiver>

        <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>
    </application>
</manifest>