-
添加权限和服务声明
xml<uses-permission android:name="android.permission.FOREGROUND_SERVICE" /> <service android:name=".ScreenService" android:enabled="true" android:exported="true" android:foregroundServiceType="mediaProjection"></service>
-
创建屏幕录制的 Service
kotlinimport android.app.* import android.content.Context import android.content.Intent import android.graphics.BitmapFactory import android.hardware.display.DisplayManager import android.hardware.display.VirtualDisplay import android.media.CamcorderProfile import android.media.MediaRecorder import android.media.projection.MediaProjection import android.media.projection.MediaProjectionManager import android.os.Build import android.os.IBinder import android.util.DisplayMetrics import android.util.Log import android.view.WindowManager import androidx.core.app.NotificationCompat import java.io.IOException class ScreenService : Service() { private var mContext:Context?=null private var projectionManager:MediaProjectionManager?=null private var mMediaProjection:MediaProjection?=null override fun onBind(intent: Intent): IBinder { TODO("Return the communication channel to the service.") } override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int { mContext = this var resultCode = intent?.getIntExtra("resultCode", -1) var path = intent?.getStringExtra("path") var resultData: Intent? = intent?.getParcelableExtra("data") startNotification(); projectionManager = getSystemService(MEDIA_PROJECTION_SERVICE) as MediaProjectionManager mMediaProjection = resultCode?.let { resultData?.let { it1 -> projectionManager?.getMediaProjection(it, it1) } } path?.let { startRecording(it) } return super.onStartCommand(intent, flags, startId) } private var NOTIFICATION_CHANNEL_ID="id"; private var NOTIFICATION_CHANNEL_NAME="channel"; private var NOTIFICATION_CHANNEL_DESC="desc"; private fun startNotification() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { var notificationIntent = Intent(mContext, ScreenService::class.java) var pendingIntent: PendingIntent?=null pendingIntent = if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S) { PendingIntent.getActivity(this, 0, notificationIntent, PendingIntent.FLAG_IMMUTABLE); } else { PendingIntent.getActivity(this, 0, notificationIntent, PendingIntent.FLAG_ONE_SHOT); } var notificationBuilder = mContext?.let { NotificationCompat.Builder(it, NOTIFICATION_CHANNEL_ID) .setLargeIcon(BitmapFactory.decodeResource(mContext!!.resources, R.drawable.ic_launcher_foreground)) .setSmallIcon(R.drawable.ic_launcher_foreground) .setContentTitle("start record") .setContentText("=== start record ===") .setContentIntent(pendingIntent) }; var notification = notificationBuilder?.build(); var channel = NotificationChannel(NOTIFICATION_CHANNEL_ID, NOTIFICATION_CHANNEL_NAME, NotificationManager.IMPORTANCE_DEFAULT); channel.description = NOTIFICATION_CHANNEL_DESC; var notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager notificationManager.createNotificationChannel(channel) startForeground(1, notification); } } private var isScreenRecoding = false private var mMediaRecorder: MediaRecorder?=null private var mVirtualDisplay: VirtualDisplay? = null private fun startRecording(filePath:String) { if (!isScreenRecoding){ try { // 创建 MediaRecorder 并设置参数 val metrics = DisplayMetrics() val windowManager: WindowManager = mContext?.getSystemService(WINDOW_SERVICE) as WindowManager windowManager.defaultDisplay.getMetrics(metrics) mMediaRecorder = MediaRecorder() mMediaRecorder?.setVideoSource(MediaRecorder.VideoSource.SURFACE) mMediaRecorder?.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4) mMediaRecorder?.setOutputFile(filePath) mMediaRecorder?.setVideoSize(metrics.widthPixels, metrics.heightPixels) mMediaRecorder?.setVideoEncoder(MediaRecorder.VideoEncoder.H264) mMediaRecorder?.setVideoEncodingBitRate(1920*1080 * 3) mMediaRecorder?.setVideoFrameRate(30) // 准备 MediaRecorder mMediaRecorder?.prepare() // 创建 VirtualDisplay 以获取屏幕内容 mVirtualDisplay = mMediaProjection?.createVirtualDisplay( "ScreenRecord", metrics.widthPixels, metrics.heightPixels, metrics.densityDpi, DisplayManager.VIRTUAL_DISPLAY_FLAG_AUTO_MIRROR, mMediaRecorder?.surface, null, null ) // 开始录制 mMediaRecorder?.start() isScreenRecoding = true Log.i(ScreenUtil.TAG,"开始录屏 $filePath") } catch (e: IOException) { Log.e(ScreenUtil.TAG, "录屏失败: " + e.message) e.printStackTrace() } } } public fun stopRecording() { if (isScreenRecoding) { try { // 停止录制 mMediaRecorder?.stop() mMediaRecorder?.reset() mMediaRecorder?.release() mMediaRecorder = null // 停止 VirtualDisplay mVirtualDisplay?.release() // 停止 MediaProjection mMediaProjection?.stop() Log.i(ScreenUtil.TAG,"结束录屏") } catch (e: Exception) { Log.e(ScreenUtil.TAG, "停止录屏失败: " + e.message) e.printStackTrace() } isScreenRecoding = false } } override fun onDestroy() { stopRecording() super.onDestroy() } }
-
启动和停止录制
kotlinprivate var mProjectionManager: MediaProjectionManager? = null var screenService:Intent?=null fun start(){ mProjectionManager = getSystemService(Context.MEDIA_PROJECTION_SERVICE) as MediaProjectionManager // 请求录屏权限 startActivityForResult(mProjectionManager?.createScreenCaptureIntent(), 500); } fun stop(){ stopService(screenService) } override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) { super.onActivityResult(requestCode, resultCode, data) if (requestCode == 500){ screenService = Intent(mConext, ScreenService::class.java) screenService?.let { it.putExtra("resultCode", resultCode); it.putExtra("data", data); it.putExtra("path", "screen.mp4"); startForegroundService(it) } } }
Android 实现屏幕录制
菠萝加点糖2024-08-03 23:39
相关推荐
tangweiguo030519871 小时前
Android 混合开发实战:统一 View 与 Compose 的浅色/深色主题方案老狼孩111221 小时前
2025新版懒人精灵零基础及各板块核心系统视频教程-全分辨率免ROOT自动化开发打死不学Java代码2 小时前
PaginationInnerInterceptor使用(Mybatis-plus分页)IT乐手3 小时前
android 解决系统级应用 WebView 加载崩溃的问题Kapaseker3 小时前
Kotlin泛型精解:类型世界的奇幻之旅顾林海4 小时前
深入探究 Android Native 代码的崩溃捕获机制爱分享的程序员4 小时前
前端跨端框架的开发以及IOS和安卓的开发流程和打包上架的详细流程thigh_d4 小时前
uniapp 安卓离线本地打包,Android Studio生成apk包二J6 小时前
管理100个小程序-很难吗s11show_1637 小时前
hz修改后台新增keyword功能