【学习笔记】通过服务监听电话的呼叫状态

迈不过友情╰ 2022-08-24 01:54 186阅读 0赞

启动电话监听服务

启动服务StartService();监听电话呼叫状态

<?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
        package="com.example.phonereceiver"
        android:versionCode="1"
        android:versionName="1.0" >
    
        <uses-sdk
            android:minSdkVersion="8"
            android:targetSdkVersion="17" />
    	<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.phonereceiver.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=".Phoneservice"></service>
        </application>
    </manifest>

package com.example.phonereceiver;
    
    import android.os.Bundle;
    import android.app.Activity;
    import android.content.Intent;
    import android.view.Menu;
    import android.view.View;
    
    public class MainActivity extends Activity {
    
    	@Override
    	protected void onCreate(Bundle savedInstanceState) {
    		super.onCreate(savedInstanceState);
    		setContentView(R.layout.activity_main);
    	}
    
    	@Override
    	public boolean onCreateOptionsMenu(Menu menu) {
    		// Inflate the menu; this adds items to the action bar if it is present.
    		getMenuInflater().inflate(R.menu.main, menu);
    		return true;
    	}
    
    	public void startService(View v){
    		Intent intent = new Intent(this,Phoneservice.class);
    		startService(intent);
    	}
    }

package com.example.phonereceiver;
    
    import android.app.Service;
    import android.content.Context;
    import android.content.Intent;
    import android.os.IBinder;
    import android.telephony.PhoneStateListener;
    import android.telephony.TelephonyManager;
    import android.util.Log;
    
    public class Phoneservice extends Service {
    	//电话的服务
    	private TelephonyManager manager;
    	private MyPhoneStateListener listener;
    	//服务被创建的时候调用
    	@Override
    	public void onCreate() {
    		super.onCreate();
    		manager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
    		listener = new MyPhoneStateListener();
    		//监听电话的呼叫状态
    		manager.listen(listener, MyPhoneStateListener.LISTEN_CALL_STATE);
    	}
    	
    	private final class MyPhoneStateListener extends PhoneStateListener{
    		@Override
    		public void onCallStateChanged(int state, String incomingNumber) {
    			// TODO Auto-generated method stub
    			super.onCallStateChanged(state, incomingNumber);
    			Log.i("i","电话来字："+incomingNumber);
    			switch (state) {
    			case TelephonyManager.CALL_STATE_IDLE://闲置状态
    				Log.i("i","闲置状态");
    				break;
    			case TelephonyManager.CALL_STATE_RINGING://响铃状态
    				Log.i("i","响铃状态");
    				break;
    			case TelephonyManager.CALL_STATE_OFFHOOK://接听状态
    				Log.i("i","接听状态");
    				break;
    			default:
    				break;
    			}
    		}
    	}
    	@Override
    	public IBinder onBind(Intent intent) {
    		 
    		return null;
    	}
    
    }

接电话就录音的配置

package com.example.phonereceiver;
    
    import java.io.File;
    import java.io.IOException;
    
    import android.app.Service;
    import android.content.Context;
    import android.content.Intent;
    import android.os.Environment;
    import android.os.IBinder;
    import android.telephony.PhoneStateListener;
    import android.telephony.TelephonyManager;
    import android.util.Log;
    import android.media.MediaRecorder;
    
    public class Phoneservice extends Service {
    	//电话的服务
    	private TelephonyManager manager;
    	private MyPhoneStateListener listener;
    
    	private MediaRecorder recorder = null;
    	//服务被创建的时候调用
    	@Override
    	public void onCreate() {
    		super.onCreate();
    		manager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
    		listener = new MyPhoneStateListener();
    		//监听电话的呼叫状态
    		manager.listen(listener, MyPhoneStateListener.LISTEN_CALL_STATE);
    	}
    
    	private final class MyPhoneStateListener extends PhoneStateListener{
    		@Override
    		public void onCallStateChanged(int state, String incomingNumber) {
    			// TODO Auto-generated method stub
    			super.onCallStateChanged(state, incomingNumber);
    			Log.i("i","电话来字："+incomingNumber);
    			switch (state) {
    			case TelephonyManager.CALL_STATE_IDLE://闲置状态
    				Log.i("i","闲置状态");
    				if(recorder!=null){
    					recorder.stop();
    					recorder.release();
    					recorder=null;
    					//默认只能录自己MIC的声音，不能录对方的声音，需要对底层进行修改JNI调用C
    				}
    				break;
    			case TelephonyManager.CALL_STATE_RINGING://响铃状态
    				Log.i("i","响铃状态");
    				try {
    					recorder = recorder = new MediaRecorder();
    
    					//声音来源麦克
    					recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    					//内容输出格式
    					recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    					//音频编码方式
    					recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    					//设置采样频率，要根据自己输出的格式来设置音频采样率
    					recorder.setAudioSamplingRate(177*144);
    					//指定文件输出路径
    					File audioFile = new File(Environment.getExternalStorageDirectory(),System.currentTimeMillis()+".3gp");
    					recorder.setOutputFile(audioFile.getAbsolutePath());
    					//预期准备
    					recorder.prepare();
    					recorder.start();  //开始录音
    				} catch(Exception e) {
    					e.printStackTrace();
    				}
     				
    				break;
    			case TelephonyManager.CALL_STATE_OFFHOOK://接听状态
    				Log.i("i","接听状态");
    				break;
    			default:
    				break;
    			}
    		}
    	}
    	@Override
    	public IBinder onBind(Intent intent) {
    
    		return null;
    	}
    
    }

<?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
        package="com.example.phonereceiver"
        android:versionCode="1"
        android:versionName="1.0" >
    
        <uses-sdk
            android:minSdkVersion="8"
            android:targetSdkVersion="17" />
    	<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
    	<uses-permission android:name="android.permission.RECORD_AUDIO"/>
    	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    	<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>
    	
        <application
            android:allowBackup="true"
            android:icon="@drawable/ic_launcher"
            android:label="@string/app_name"
            android:theme="@style/AppTheme" >
            <activity
                android:name="com.example.phonereceiver.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=".Phoneservice"></service>
        </application>
    </manifest>