android的电话监听

【android的电话监听】宝剑锋从磨砺出，梅花香自苦寒来。这篇文章主要讲述android的电话监听相关的知识，希望能为你提供帮助。
android的电话监听新建一个项目,结构图如下:

文章图片

PhoneService:

package com.demo.tingdianhua; import android.app.Service; import android.content.Intent; import android.os.IBinder; import android.telecom.TelecomManager; import android.telephony.PhoneStateListener; import android.telephony.TelephonyManager; public class PhoneService extends Service {@Override public IBinder onBind(Intent intent) { // TODO: Return the communication channel to the service. throw new UnsupportedOperationException("Not yet implemented"); }@Override public void onCreate() {System.out.println("onCreate"); //1.获取telephone的实例 TelephonyManager tm = (TelephonyManager) getSystemService(TELEPHONY_SERVICE); //2.注册电话的监听 tm.listen(new MyPhoneStateListener(), PhoneStateListener.LISTEN_CALL_STATE); }@Override public void onDestroy() { super.onDestroy(); }public class MyPhoneStateListener extends PhoneStateListener {//当电话设置状态发生改变的时候调用 public void onCallStateChanged(int state, String phoneNumber) { System.out.println("state==> "+state); System.out.println("phoneNumber==> "+phoneNumber); //具体判断下电话得状态 switch (state) { case TelephonyManager.CALL_STATE_IDLE:System.out.println("停止"); break; case TelephonyManager.CALL_STATE_OFFHOOK://接听状态 System.out.println("开始录"); break; case TelephonyManager.CALL_STATE_RINGING://电话响铃状态System.out.println("准备一个录音机"); break; default:break; }super.onCallStateChanged(state, phoneNumber); } }}

MainActivity:

package com.demo.tingdianhua; import android.content.Intent; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; public class MainActivity extends AppCompatActivity {private String [] phone={ "android.permission.READ_PHONE_STATE" }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ActivityCompat.requestPermissions(this,phone,1); }public void clickphone(View view) { Intent intent = new Intent(MainActivity.this,PhoneService.class); startService(intent); } }

activity_main.xml:

< ?xml version="1.0" encoding="utf-8"?> < android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> < TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World!" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toTopOf="parent" /> < Button android:onClick="clickphone" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="开启服务" /> < /android.support.constraint.ConstraintLayout>

AndroidManifest.xml:

< ?xml version="1.0" encoding="utf-8"?> < manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.demo.tingdianhua"> < uses-permission android:name="android.permission.READ_PHONE_STATE"> < /uses-permission> < application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true" android:theme="@style/AppTheme"> < activity android:name=".MainActivity"> < intent-filter> < action android:name="android.intent.action.MAIN" /> < category android:name="android.intent.category.LAUNCHER" /> < /intent-filter> < /activity> < service android:name=".PhoneService" android:enabled="true" android:exported="true"> < /service> < /application> < /manifest>