Android 来电秀总结

作者: _明川 | 来源:发表于2021-02-03 11:49 被阅读0次

    上目录仅用于展示文章结构,简书平台点击不可跳转到指定锚点

    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。

    前言

    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

    WechatIMG39.jpeg

    TODO

    1. 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
    2. 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。
    3. 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)
    4. 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

    1. 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。
    2. 通过相关API (主要两种:读取来电系统的Notification信息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。
    3. 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。

    最后

    到这里这篇文章基本已经写得差不多了,在自己编写Demo的时候也观看了很多其他的自定义来电秀博客,并且反编译了一些市面上不错的来电秀App,如果有哪里侵权的地方,私信沟通,我会进行修改。感谢大家能够观看我的 开发笔记总结。

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