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滨州做网站的科技公司,广州网站推广联盟,wordpress 标题空格,网站建设策划书录制屏幕 1、界面 2、核心代码 import android.app.NotificationChannel import android.app.NotificationManager import android.app.PendingIntent import android.app.Service import android.content.Context import android.content.Intent import android.graphics.Bi…

录制屏幕

1、界面

2、核心代码

import android.app.NotificationChannel
import android.app.NotificationManager
import android.app.PendingIntent
import android.app.Service
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.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.IOExceptionclass ScreenRecordService : Service() {private var mContext: Context? = nullprivate var projectionManager: MediaProjectionManager? = nullprivate var mMediaProjection: MediaProjection? = nulloverride fun onBind(intent: Intent): IBinder {TODO("Return the communication channel to the service.")}override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {mContext = thisvar resultCode = intent?.getIntExtra("resultCode", -1)var path = intent?.getStringExtra("path")var resultData: Intent? = intent?.getParcelableExtra("data")Log.e("TAG", "录制的路径为：" + path)startNotification();projectionManager = getSystemService(MEDIA_PROJECTION_SERVICE) as MediaProjectionManagermMediaProjection = 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, ScreenRecordService::class.java)var pendingIntent: PendingIntent? = nullpendingIntent = 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 or PendingIntent.FLAG_IMMUTABLE);}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 NotificationManagernotificationManager.createNotificationChannel(channel)startForeground(1, notification);}}private var isScreenRecoding = falseprivate var mMediaRecorder: MediaRecorder? = nullprivate var mVirtualDisplay: VirtualDisplay? = nullprivate 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 WindowManagerwindowManager.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 MediaRecordermMediaRecorder?.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 = trueLog.i("TAG", "开始录屏 $filePath")} catch (e: IOException) {Log.e("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 VirtualDisplaymVirtualDisplay?.release()// 停止 MediaProjectionmMediaProjection?.stop()Log.i("TAG", "结束录屏")} catch (e: Exception) {Log.e("TAG", "停止录屏失败: " + e.message)e.printStackTrace()}isScreenRecoding = false}}override fun onDestroy() {stopRecording()super.onDestroy()}
}

/*** 注意：* 1、需要手动给文件读写权限* 2、保存的视频文件在/storage/emulated/0/screen.mp4*/
class MainActivity : AppCompatActivity() {override fun onCreate(savedInstanceState: Bundle?) {super.onCreate(savedInstanceState)enableEdgeToEdge()setContentView(R.layout.activity_main)ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)insets}}override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {super.onActivityResult(requestCode, resultCode, data)if (requestCode == 500) {val path = Environment.getExternalStorageDirectory().absolutePath// 录屏权限screenService = Intent(this, ScreenRecordService::class.java)screenService?.let {it.putExtra("resultCode", resultCode)it.putExtra("data", data)it.putExtra("path", "$path/screen.mp4")startForegroundService(it)}}}/** 开始录制 **/fun startRecord(view: View) {start()}/** 停止录制 **/fun stopRecord(view: View) {stop()}private var mProjectionManager: MediaProjectionManager? = nullprivate var screenService: Intent? = nullprivate fun start() {mProjectionManager = getSystemService(Context.MEDIA_PROJECTION_SERVICE) as MediaProjectionManager// 请求录屏权限mProjectionManager?.createScreenCaptureIntent()?.let { startActivityForResult(it, 500) };}private fun stop() {stopService(screenService)}
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"><uses-permission android:name="android.permission.FOREGROUND_SERVICE" /><uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION" /><uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /><applicationandroid:allowBackup="true"android:dataExtractionRules="@xml/data_extraction_rules"android:fullBackupContent="@xml/backup_rules"android:icon="@mipmap/ic_launcher"android:label="@string/app_name"android:roundIcon="@mipmap/ic_launcher_round"android:supportsRtl="true"android:theme="@style/Theme.ScreenRecord"tools:targetApi="31"><activityandroid:name=".MainActivity"android:exported="true"><intent-filter><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /></intent-filter></activity><serviceandroid:name=".ScreenRecordService"android:enabled="true"android:exported="true"android:foregroundServiceType="mediaProjection" /></application></manifest>