Android 自定义来电秀实现总结

前言

该文章为对工作中部分业务实现的总结,阅读时间:20分钟,版本:Android 6.0 - 9.0 update time 2021年02月03日11:48:55 文章可能存在不足之处,还望评论批评,一起学习进步。

要想实现自定义 来电秀,首先我们先这样 再这样,然后你这样,最后你再这样一下,就可以了,很好实现的,听懂了么?-,-

效果图

TODO

  • 添加包活lib,提高App在设置成功后 退居后台,成功拉起的概率
  • 项目中已经包含lib_ijk的代码,我们可以添加视频来电展示,添加美女或者豪车等全屏视频,效果更佳。
  • 由于反编译能力有限,对于多种机型权限的跳转(后续可以开起 无障碍服务,直接一步搞定多种需要用户手动设置操作)
  • 该Demo中有一部分不完善的Rom 权限跳转机制,后续还需要时间来完善。

参考文章

来电秀实现

实现思想

  • 通过监听手机Service 分辨来电状态,然后弹出我们自定义的来电页面,覆盖系统来电页面。
  • 通过相关API (主要两种:读取来电系统的Notification信息 和 模拟耳机线控的方式进行挂断/接听)实现接听和挂断功能。我这里会使用两种(低版本 使用电话状态广播监听,高版本使用InCallService) 监听电话状态的Service 及两种界面展示 来呈现来电信息,多个界面和多个Service的监听 能够增加高版本的容错率兼容性。
  • 实现自定义的拨号界面 或者 直接使用系统的拨号界面。

注意:因为篇幅问题,博客只会截取部分代码,太长读者很难读下去,Demo已经调试通过,如果有想看源码的可以移步到我的 GitHub项目地址

申请权限

静态权限

  电话应用,会用到很多权限,我这里尽可能多的静态注册了一些权限,如果引入项目中,需要甄别下,代码如下:

<uses-permission android:name="android.permission.INTERNET" />
 <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
 <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
 <uses-permission android:name="android.permission.READ_PHONE_STATE" />
 <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
 <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
 <uses-permission android:name="android.permission.WRITE_SETTINGS" />
 <!-- 读取联系人权限 -->
 <uses-permission android:name="android.permission.READ_CONTACTS" />
 <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
 <uses-permission android:name="android.permission.WAKE_LOCK" />
 <uses-permission android:name="android.permission.DEVICE_POWER" />
 <uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" />
 <uses-permission android:name="android.permission.CALL_PHONE" />
 <uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
 <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS" />
 <uses-permission android:name="android.permission.ANSWER_PHONE_CALLS" />
 <!-- 读写 联系信息 显示联系人名称 -->
 <uses-permission android:name="android.permission.MODIFY_PHONE_STATE" /> 
 <uses-permission android:name="android.permission.READ_CALL_LOG" />
 <uses-permission android:name="android.permission.WRITE_CALL_LOG" />
 <uses-permission android:name="android.permission.READ_LOGS" />
 <uses-permission android:name="android.permission.RECORD_AUDIO" />
 <uses-permission android:name="android.permission.VIBRATE" />
 <uses-permission android:name="android.permission.GET_TASKS" />
 <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
 <uses-permission android:name="android.permission.AUTHENTICATE_ACCOUNTS" />
 <uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
 <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 <uses-permission android:name="android.permission.BROADCAST_PACKAGE_ADDED" />
 <uses-permission android:name="android.permission.BROADCAST_PACKAGE_CHANGED" />
 <uses-permission android:name="android.permission.BROADCAST_PACKAGE_INSTALL" />
 <uses-permission android:name="android.permission.BROADCAST_PACKAGE_REPLACED" />
 <uses-permission android:name="android.permission.RESTART_PACKAGES" />
 <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
 <!--android 9.0上使用前台服务,需要添加权限-->
 <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 <permission android:name="android.permission.READ_PRIVILEGED_PHONE_STATE" />

动态权限

AndPermission.with(this)
 .runtime()
 .permission(
 Permission.Group.PHONE,
 Permission.Group.LOCATION,
 Permission.Group.CALL_LOG
 )
 .onGranted {
 Toast.makeText(applicationContext, "权限同意", Toast.LENGTH_SHORT).show()
 }.onDenied {
 Toast.makeText(applicationContext, "权限拒绝", Toast.LENGTH_SHORT).show()
 }.start()

  上述代码,为自己测试使用的Demo,所以请求权限直接请求分组中的全部权限了,项目中根据需要动态申请部分权限

  虽然我们已经申请了这么多权限,但是为了能够替换系统电话界面成功,还有一部分权限是需要通过弹框来引导用户去 设置中开启的。

# CallerShowPermissionManager.kt
/**
 * 判断是否有 锁屏弹出、 后台弹出悬浮窗 、允许系统修改、读取通知栏等权限(必须同意)
 */
 fun setRingPermission(context: Context): Boolean {
 perArray.clear()
 if (!OpPermissionUtils.checkPermission(context)) {
 //跳转到悬浮窗设置
 toRequestFloatWindPermission(context)
 }
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && !Settings.System.canWrite(context)) {
 //准许系统修改
 opWriteSetting(context)
 }
 if (!isAllowed(context)) {
 //后台弹出权限
 openSettings(context)
 }
 if (!notificationListenerEnable(context)) {
 //通知使用权
 gotoNotificationAccessSetting()
 }
 if (perArray.size != 0) {
 context.startActivities(perArray.toTypedArray())
 return false
 } else {
 LogUtils.e("铃声 高级权限全部同意")
 return true
 }
 }
/**
 * 点击授权按钮,编辑好需要申请的权限后,统一跳转,oppo/小米 的后台弹出权限 锁屏显示权限,
 * 需要用户去设置中手动开始,在项目中 可以使用 蒙层引导用户点击
 */
 fun setRingPermission(context: Context): Boolean {
 perArray.clear()
 if (!OpPermissionUtils.checkPermission(context)) {
 //跳转到悬浮窗设置
 toRequestFloatWindPermission(context)
 }
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && !Settings.System.canWrite(context)) {
 //准许系统修改
 opWriteSetting(context)
 }
 if (!isAllowed(context)) {
 //后台弹出权限
 openSettings(context)
 }
 if (!notificationListenerEnable(context)) {
 //通知使用权
 gotoNotificationAccessSetting()
 }
 if (perArray.size != 0) {
 context.startActivities(perArray.toTypedArray())
 return false
 } else {
 LogUtils.e("铃声 高级权限全部同意")
 return true
 }
 }
/**
 * 申请悬浮窗权限
 */
 private fun toRequestFloatWindPermission(context: Context) {
 try {
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 val clazz: Class<*> = Settings::class.java
 val field = clazz.getDeclaredField("ACTION_MANAGE_OVERLAY_PERMISSION")
 val intent = Intent(field[null].toString())
 intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
 intent.data = Uri.parse("package:" + context.packageName)
 perArray.add(intent)
 return
 }
 val intent2 = Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION)
 context.startActivity(intent2)
 return
 } catch (e: Exception) {
 if (RomUtils.checkIsMeizuRom()) {
 try {
 val intent = Intent("com.meizu.safe.security.SHOW_APPSEC")
 intent.putExtra("packageName", context.packageName)
 intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
 context.startActivity(intent)
 } catch (e: java.lang.Exception) {
 LogUtils.e("请在权限管理中打开悬浮窗管理权限")
 }
 }
 LogUtils.e("请在权限管理中打开悬浮窗管理权限")
 return
 }
 }
 /**
 * 判断锁屏显示
 */
 private fun isLock(context: Context): Boolean {
 if (RomUtils.checkIsMiuiRom()) {
 return MiuiUtils.canShowLockView(context)
 } else if (RomUtils.checkIsVivoRom()) {
 return VivoUtils.getVivoLockStatus(context)
 }
 return true
 }
 /**
 * 判断锁屏显示
 */
 private fun isAllowed(context: Context): Boolean {
 if (RomUtils.checkIsMiuiRom()) {
 return MiuiUtils.isAllowed(context)
 } else if (RomUtils.checkIsVivoRom()) {
 return VivoUtils.getvivoBgStartActivityPermissionStatus(context)
 }
 return true
 }
 /**
 * 打开设置(后台弹出 锁屏显示)
 */
 private fun openSettings(context: Context) {
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 try {
 val intent = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
 intent.data = Uri.parse("package:${context.packageName}")
 perArray.add(intent)
 } catch (e: java.lang.Exception) {
 LogUtils.e("请在权限管理中打开后台弹出权限")
 }
 } else {
 LogUtils.e("android 6.0以下")
 }
 }
 /**
 * 系统修改
 */
 private fun opWriteSetting(context: Context) {
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 if (!Settings.System.canWrite(context)) {
 val intent = Intent(Settings.ACTION_MANAGE_WRITE_SETTINGS)
 intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
 intent.data = Uri.parse("package:${context.packageName}")
 perArray.add(intent)
 }
 }
 }
 /**
 * 读取系统通知
 */
 private fun gotoNotificationAccessSetting() {
 try {
 val intent = Intent("android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS")
 intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
 perArray.add(intent)
 } catch (e: ActivityNotFoundException) {
 try {
 val intent = Intent()
 intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
 val cn = ComponentName("com.android.settings", "com.android.settings.Settings\$NotificationAccessSettingsActivity");
 intent.component = cn
 intent.putExtra(":settings:show_fragment", "NotificationAccessSettings")
 perArray.add(intent)
 } catch (ex: Exception) {
 LogUtils.e("获取系统通知失败 e : $ex")
 }
 }
 }
// 暂时把重要代码cv出来了一部分,建议下载Demo源码 ,结合博客一起观看

  上述代码 主要罗列了需要引导用户开启部分设置权限的核心代码和方法。

监听电话

  对于监听电话这块,会有很多兼容性的问题,我们这里先使用广播监听 action = android.intent.action.PHONE_STATE 的广播,然后根据状态调用起来悬浮窗。但是测试Android高版本手机 发现 InCallService 会更好的获取到电话状态,所以我这里的处理方案是 两个方案都保存在了代码中,最后通过调用不同的界面来区分。

BroadcastReceiver +悬浮窗显示实现

# AndroidManifest.xml
// 监听电话状态广播 注册
<receiver android:name=".phone.receiver.PhoneStateReceiver">
 <intent-filter android:priority="2147483647">
 <action android:name="android.intent.action.NEW_OUTGOING_CALL" />
 <category android:name="android.intent.category.DEFAULT" />
 </intent-filter>
 <intent-filter android:priority="2147483647">
 <action android:name="android.intent.action.PHONE_STATE" />
 </intent-filter>
 <intent-filter android:priority="2147483647">
 <action android:name="android.intent.action.DUAL_PHONE_STATE" />
 </intent-filter>
 <intent-filter android:priority="2147483647">
 <action android:name="android.intent.action.PHONE_STATE_2" />
 </intent-filter>
 <intent-filter android:priority="2147483647">
 <action android:name="com.cootek.smartdialer.action.PHONE_STATE" />
 </intent-filter>
 <intent-filter android:priority="2147483647">
 <action android:name="com.cootek.smartdialer.action.INCOMING_CALL" />
 </intent-filter>
 </receiver>
# PhoneStateReceiver.kt
class PhoneStateReceiver : BroadcastReceiver() {
 override fun onReceive(context: Context?, intent: Intent?) {
 context?.let {
 val action = intent?.action
 if (Intent.ACTION_NEW_OUTGOING_CALL == action || TelephonyManager.ACTION_PHONE_STATE_CHANGED == action) {
 try {
 val manager = it.getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
 var state = manager.callState
 val phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER)
 if (Intent.ACTION_NEW_OUTGOING_CALL.equals(action, true)) {
 state = 1000
 }
 dealWithCallAction(state, phoneNumber)
 } catch (e: Exception) {
 }
 }
 }
 }
 //来去电的几个状态
 private fun dealWithCallAction(state: Int?, phoneNumber: String?) {
 when (state) {
 // 来电状态 - 显示悬浮窗
 TelephonyManager.CALL_STATE_RINGING -> {
 PhoneStateActionImpl.instance.onRinging(phoneNumber)
 }
 // 空闲状态(挂断) - 关闭悬浮窗
 TelephonyManager.CALL_STATE_IDLE -> {
 PhoneStateActionImpl.instance.onHandUp()
 }
 // 摘机状态(接听) - 保持不作操作
 TelephonyManager.CALL_STATE_OFFHOOK -> {
 PhoneStateActionImpl.instance.onPickUp(phoneNumber)
 }
 1000 -> { //拨打电话广播状态 - 显示悬浮窗
 PhoneStateActionImpl.instance.onCallOut(phoneNumber)
 }
 }
 }
}

获取到广播的信息后 我们就可以着手 悬浮窗的绘制和 初始化工作

# FloatingWindow.kt
private fun initView() {
 windowManager = mContext?.getSystemService(Context.WINDOW_SERVICE) as WindowManager
 params = WindowManager.LayoutParams()
 //高版本适配 全面/刘海屏
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 params.layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;
 }
 params.gravity = Gravity.CENTER
 params.width = WindowManager.LayoutParams.MATCH_PARENT
 params.height = WindowManager.LayoutParams.MATCH_PARENT
 params.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
 params.format = PixelFormat.TRANSLUCENT
 // 设置 Window flag 为系统级弹框 | 覆盖表层
 params.type = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
 WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY
 else
 WindowManager.LayoutParams.TYPE_PHONE
 // 去掉FLAG_NOT_FOCUSABLE隐藏输入 全面屏隐藏虚拟物理按钮办法
 params.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN or
 WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS or
 WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION or
 WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
 params.systemUiVisibility =
 View.SYSTEM_UI_FLAG_HIDE_NAVIGATION or
 View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY or
 View.SYSTEM_UI_FLAG_FULLSCREEN
 val interceptorLayout: FrameLayout = object : FrameLayout(mContext!!) {
 override fun dispatchKeyEvent(event: KeyEvent): Boolean {
 if (event.action == KeyEvent.ACTION_DOWN) {
 if (event.keyCode == KeyEvent.KEYCODE_BACK) {
 return true
 }
 }
 return super.dispatchKeyEvent(event)
 }
 }
 phoneCallView = LayoutInflater.from(mContext).inflate(R.layout.view_phone_call, interceptorLayout)
 tvCallNumber = phoneCallView.findViewById(R.id.tv_call_number)
 tvPhoneHangUp = phoneCallView.findViewById(R.id.tv_phone_hang_up)
 tvPhonePickUp = phoneCallView.findViewById(R.id.tv_phone_pick_up)
 tvCallingTime = phoneCallView.findViewById(R.id.tv_phone_calling_time)
 tvCallRemark = phoneCallView.findViewById(R.id.tv_call_remark)
 }
... 
// 部分代码省略

  悬浮窗展示完成后,就要设置电话接通和挂断的操作(注意:这里很多低版本手机存在兼容问题,所以会有一些代码比较奇怪)

# IPhoneCallListenerImpl.kt
override fun onAnswer() {
 val mContext = App.context
 try {
 val intent = Intent(mContext, ForegroundActivity::class.java)
 intent.action = CallListenerService.ACTION_PHONE_CALL
 intent.putExtra(CallListenerService.PHONE_CALL_ANSWER, "0")
 intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
 mContext.startActivity(intent)
 } catch (e: Exception) {
 Log.e("ymc","startForegroundActivity exception>>$e")
 PhoneCallUtil.answer()
 }
 }
 override fun onOpenSpeaker() {
 PhoneCallUtil.openSpeaker()
 }
 override fun onDisconnect() {
 Log.e("ymc"," onDisconnect")
 val mContext = App.context
 try {
 val intent = Intent(mContext, ForegroundActivity::class.java)
 intent.action = CallListenerService.ACTION_PHONE_CALL
 intent.putExtra(CallListenerService.PHONE_CALL_DISCONNECT, "0")
 intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
 mContext.startActivity(intent)
 } catch (e: Exception) {
 Log.e("ymc","startForegroundActivity exception>>$e")
 PhoneCallUtil.disconnect()
 }
 }

  以上代码为接口实现类,我们这里会跳转到 一个前台Activity(一定程度上可以将App拉活),主要逻辑我们放在自己的前台Service中操作。

# CallListenerService.kt
// Andorid新版本 启动服务的方式
fun forceForeground(intent: Intent) {
 try {
 ContextCompat.startForegroundService(App.context, intent)
 notification = CustomNotifyManager.instance?.getNotifyNotification(App.context)
 if (notification != null) {
 startForeground(CustomNotifyManager.STEP_COUNT_NOTIFY_ID, notification)
 } else {
 startForeground(CustomNotifyManager.STEP_COUNT_NOTIFY_ID,
 CustomNotifyManager.instance?.getDefaultNotification(NotificationCompat.Builder(App.context)))
 }
 } catch (e: Exception) {
 }
 }
 override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
 if (intent == null) {
 return START_STICKY
 }
 val action = intent.action ?: return START_STICKY
 when (action) {
 ACTION_PHONE_CALL -> {
 dispatchAction(intent)
 }
 }
 return START_STICKY
 }
private fun dispatchAction(intent: Intent) {
 if (intent.hasExtra(PHONE_CALL_DISCONNECT)) {
 PhoneCallUtil.disconnect()
 return
 }
 if (intent.hasExtra(PHONE_CALL_ANSWER)) {
 PhoneCallUtil.answer()
 }
 }

  为保证我们的服务能够正常吊起来,吊起前台服务,并设置Service等级,代码如下:

# AndroidManifest.xml
<!-- 电话状态接收广播 -->
 <service
 android:name=".phone.service.CallListenerService"
 android:enabled="true"
 android:exported="false">
 <intent-filter android:priority="1000">
 <action android:name="com.maiya.call.phone.service.CallListenerService" />
 </intent-filter>
 </service>
<!-- 监听通知栏权限 必备 -->
<service
 android:name=".phone.service.NotificationService"
 android:label="@string/app_name"
 android:permission="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE">
 <intent-filter>
 <action android:name="android.service.notification.NotificationListenerService" />
 </intent-filter>
 </service>

   低版本的接通和挂断电话,因为需要兼容部分机型,所以我们会有比较多的判断,代码如下:

# PhoneCallUtil.kt
/**
 * 接听电话
 */
 fun answer() {
 when {
 Build.VERSION.SDK_INT >= Build.VERSION_CODES.P -> {
 val telecomManager = App.context.getSystemService(Context.TELECOM_SERVICE) as TelecomManager
 if (ActivityCompat.checkSelfPermission(App.context, Manifest.permission.ANSWER_PHONE_CALLS) != PackageManager.PERMISSION_GRANTED) {
 return
 }
 telecomManager.acceptRingingCall()
 }
 Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP -> {
 finalAnswer()
 }
 else -> {
 try {
 val method: Method = Class.forName("android.os.ServiceManager")
 .getMethod("getService", String::class.java)
 val binder = method.invoke(null, Context.TELEPHONY_SERVICE) as IBinder
 val telephony = ITelephony.Stub.asInterface(binder)
 telephony.answerRingingCall()
 } catch (e: Exception) {
 finalAnswer()
 }
 }
 }
 }
 private fun finalAnswer() {
 try {
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 val mediaSessionManager = App.context.getSystemService("media_session") as MediaSessionManager
 val activeSessions = mediaSessionManager.getActiveSessions(ComponentName(App.context, NotificationService::class.java)) as List<MediaController>
 if (activeSessions.isNotEmpty()) {
 for (mediaController in activeSessions) {
 if ("com.android.server.telecom" == mediaController.packageName) {
 mediaController.dispatchMediaButtonEvent(KeyEvent(0, 79))
 mediaController.dispatchMediaButtonEvent(KeyEvent(1, 79))
 break
 }
 }
 }
 }
 } catch (e: Exception) {
 e.printStackTrace()
 answerPhoneAidl()
 }
 }
 private fun answerPhoneAidl() {
 try {
 val keyEvent = KeyEvent(0, 79)
 val keyEvent2 = KeyEvent(1, 79)
 if (Build.VERSION.SDK_INT >= 19) {
 @SuppressLint("WrongConstant") val audioManager = App.context.getSystemService("audio") as AudioManager
 audioManager.dispatchMediaKeyEvent(keyEvent)
 audioManager.dispatchMediaKeyEvent(keyEvent2)
 }
 } catch (ex: java.lang.Exception) {
 val intent = Intent("android.intent.action.MEDIA_BUTTON")
 intent.putExtra("android.intent.extra.KEY_EVENT", KeyEvent(0, 79) as Parcelable)
 App.context.sendOrderedBroadcast(intent, "android.permission.CALL_PRIVILEGED")
 val intent2 = Intent("android.intent.action.MEDIA_BUTTON")
 intent2.putExtra("android.intent.extra.KEY_EVENT", KeyEvent(1, 79) as Parcelable)
 App.context.sendOrderedBroadcast(intent2, "android.permission.CALL_PRIVILEGED")
 }
 }
 /**
 * 断开电话,包括来电时的拒接以及接听后的挂断
 */
 fun disconnect() {
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 with(PhoneCallManager.instance) {
 if (!hasDefaultCall()) {
 return@with
 }
 mainCallId?.let {
 val result = disconnect(it)
 if (result) {
 return
 }
 }
 }
 }
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 val telecomManager = App.context.getSystemService(Context.TELECOM_SERVICE) as TelecomManager
 if (ActivityCompat.checkSelfPermission(App.context, Manifest.permission.ANSWER_PHONE_CALLS) != PackageManager.PERMISSION_GRANTED) {
 return
 }
 telecomManager.endCall()
 } else {
 try {
 val method: Method = Class.forName("android.os.ServiceManager")
 .getMethod("getService", String::class.java)
 val binder = method.invoke(null, Context.TELEPHONY_SERVICE) as IBinder
 val telephony = ITelephony.Stub.asInterface(binder)
 telephony.endCall()
 } catch (e: Exception) {
 e.printStackTrace()
 }
 }
 }

  到这里中低版本的电话接通和挂断,基本已经完毕。下一步 我们主要写,用户在同意设置应用为默认电话应用后的 更加简单方便的实现方式。

InCallService + Activity实现

在使用 InCallService 服务的同时,需要设置该应用为默认拨号应用 (这里只说明技术的可能性,不对用户行为分析)。

# AndroidManifest.xml
<!-- 电话service -->
 <service
 android:name=".phone.service.PhoneCallService"
 android:permission="android.permission.BIND_INCALL_SERVICE">
 <!-- name为自己的Service名字,per和 filter中的name为固定值 -->
 <intent-filter>
 <action android:name="android.telecom.InCallService" />
 </intent-filter>
 <meta-data
 android:name="android.telecom.IN_CALL_SERVICE_UI"
 android:value="true" />
 </service>
# PhoneCallService.kt 
@RequiresApi(Build.VERSION_CODES.M)
class PhoneCallService : InCallService() {
 companion object {
 const val ACTION_SPEAKER_ON = "action_speaker_on"
 const val ACTION_SPEAKER_OFF = "action_speaker_off"
 const val ACTION_MUTE_ON = "action_mute_on"
 const val ACTION_MUTE_OFF = "action_mute_off"
 fun startService(action: String?) {
 val intent = Intent(App.context, PhoneCallService::class.java).apply {
 this.action = action
 }
 App.context.startService(intent)
 }
 }
 // Call 添加 (Call对象需要判断是否有多个呼入的情况)
 override fun onCallAdded(call: Call?) {
 super.onCallAdded(call)
 call?.let {
 it.registerCallback(callback)
 PhoneCallManager.instance.addCall(it)
 }
 }
 // Call 移除 (可以理解为某一个通话的结束)
 override fun onCallRemoved(call: Call?) {
 super.onCallRemoved(call)
 call?.let {
 it.unregisterCallback(callback)
 PhoneCallManager.instance.removeCall(it)
 }
 }
 override fun onCanAddCallChanged(canAddCall: Boolean) {
 super.onCanAddCallChanged(canAddCall)
 PhoneCallManager.instance.onCanAddCallChanged(canAddCall)
 }
 // 将Call CallBack放在PhoneCallManager类中统一处理
 private val callback: Call.Callback = object : Call.Callback() {
 override fun onStateChanged(call: Call?, state: Int) {
 super.onStateChanged(call, state)
 PhoneCallManager.instance.onCallStateChanged(call, state)
 }
 override fun onCallDestroyed(call: Call) {
 call.hold()
 super.onCallDestroyed(call)
 }
 }
 // 设置扬声器
 override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
 when (intent?.action) {
 ACTION_SPEAKER_ON -> setAudioRoute(CallAudioState.ROUTE_SPEAKER)
 ACTION_SPEAKER_OFF -> setAudioRoute(CallAudioState.ROUTE_EARPIECE)
 ACTION_MUTE_ON -> setMuted(true)
 ACTION_MUTE_OFF -> setMuted(false)
 else -> {
 }
 }
 return super.onStartCommand(intent, flags, startId)
 }
}

  以上为InCallService的代码。部分方法进行了说明。

# PhoneCallManager.kt
/**
 * 接听电话
 */
 @RequiresApi(Build.VERSION_CODES.M)
 fun answer(callId: String?) =
 getCallById(callId)?.let {
 it.answer(VideoProfile.STATE_AUDIO_ONLY)
 true
 } ?: false
 /**
 * 断开电话,包括来电时的拒接以及接听后的挂断
 */
 @RequiresApi(Build.VERSION_CODES.M)
 fun disconnect(callId: String?) =
 getCallById(callId)?.let {
 it.disconnect()
 true
 } ?: false

由于篇幅问题,PhoneCallManager中的代码不全部展示,需要的小伙伴请移步Github,该类中主要进行了一些默认拨号应用,呼叫Call是否保持等一些操作。

作者:小肥羊冲冲冲Android

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