手机屏幕录制android源码

package com.mingrisoft.screenrecord; import android.Manifest; import android.annotation.TargetApi; import android.content.ComponentName; import android.content.Intent; import android.content.ServiceConnection; import android.media.projection.MediaProjection; import android.media.projection.MediaProjectionManager; import android.os.Build; import android.os.Bundle; import android.os.IBinder; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.util.DisplayMetrics; import android.view.KeyEvent; import android.view.View; import android.widget.Button; import android.widget.Toast; public class MainActivity extends AppCompatActivity { private static final int RECORD_REQUEST_CODE = 101; //录制标记 private MediaProjectionManager projectionManager; //创建多媒体投影服务管理 private MediaProjection mediaProjection; //创建多媒体投影对象 private RecordService recordService; //录制服务 private Button startBtn; //录屏按钮 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //获取媒体投影服务 projectionManager = (MediaProjectionManager) getSystemService(MEDIA_PROJECTION_SERVICE); setContentView(R.layout.activity_main); //自动申请存储与录音权限 ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.RECORD_AUDIO,Manifest.permission.WRITE_EXTERNAL_STORAGE}, 1000); Intent intent = new Intent(MainActivity.this, RecordService.class); //创建启动Service的Intent bindService(intent, connection, BIND_AUTO_CREATE); //绑定指定Service //获取开始录制按钮 startBtn = (Button) findViewById(R.id.start_record); startBtn.setEnabled(false); //设置默认不可用 //开始录制按钮的单击事件 startBtn.setOnClickListener(new View.OnClickListener() { @TargetApi(Build.VERSION_CODES.LOLLIPOP) @Override public void onClick(View v) { //如果录制服务启动了 if (recordService.isRunning()) { Toast.makeText(recordService, "停止录像", Toast.LENGTH_SHORT).show(); recordService.stopRecord(); //停止录制 startBtn.setText(R.string.start_record); //设置按钮显示文字 } else { //创建启动屏幕录制的Intent Intent captureIntent = projectionManager.createScreenCaptureIntent(); //启动屏幕录制 startActivityForResult(captureIntent, RECORD_REQUEST_CODE); } } }); } /** * 界面销毁解除绑定服务 */ @Override protected void onDestroy() { super.onDestroy(); recordService.stopRecord(); unbindService(connection); //解除绑定服务 } @TargetApi(Build.VERSION_CODES.LOLLIPOP) @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == RECORD_REQUEST_CODE && resultCode == RESULT_OK) { //获取录屏数据 mediaProjection = projectionManager.getMediaProjection(resultCode, data); //设置录屏数据 recordService.setMediaProject(mediaProjection); //启动录屏服务 recordService.startRecord(); //设置按钮文字 startBtn.setText(R.string.stop_record); } } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK ){ if (recordService.isRunning()){ Toast.makeText(this, "请先单击停止录制按钮，然后再关闭应用程序！", Toast.LENGTH_SHORT).show(); }else { unbindService(connection); //解除绑定服务 recordService.stopRecord(); finish(); } } return false; } //设置与后台Service进行通讯 private ServiceConnection connection = new ServiceConnection() { @Override public void onServiceConnected(ComponentName className, IBinder service) { //创建该对象用于获取屏幕的宽度与高度（像素） DisplayMetrics metrics = new DisplayMetrics(); //获取屏幕像素 getWindowManager().getDefaultDisplay().getMetrics(metrics); //创建录制服务对象 RecordService.RecordBinder binder = (RecordService.RecordBinder) service; //获取后台录制服务信息 recordService = binder.getRecordService(); //设置录像参数 recordService.setConfig(metrics.widthPixels, metrics.heightPixels, metrics.densityDpi); startBtn.setEnabled(true); //设置录制按钮可用状态 //根据录屏服务状态设置按钮文字，服务开启时设置文字为停止录屏 startBtn.setText(recordService.isRunning() ? R.string.stop_record : R.string.start_record); } @Override public void onServiceDisconnected(ComponentName arg0) {} }; }