android音频内录

package com.example.audiocapture; import androidx.activity.result.ActivityResult; import androidx.activity.result.ActivityResultCallback; import androidx.activity.result.ActivityResultLauncher; import androidx.activity.result.contract.ActivityResultContract; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.appcompat.app.AppCompatActivity; import androidx.core.app.ActivityCompat; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.media.projection.MediaProjectionManager; import android.net.Uri; import android.os.Bundle; import android.util.Log; import android.view.View; import com.example.audiocapture.databinding.ActivityMainBinding; public class MainActivity extends AppCompatActivity { private final String TAG = "MainActivity"; private final int REQUEST_PERMISSIONS_RETURN_CODE = 10; private String[] mPermissions = { android.Manifest.permission.READ_EXTERNAL_STORAGE, android.Manifest.permission.WRITE_EXTERNAL_STORAGE, android.Manifest.permission.RECORD_AUDIO }; private ActivityResultLauncher<Object> mActivityResultLauncher; boolean mRecording; boolean mPlaying; private ActivityMainBinding mBinding; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mBinding = ActivityMainBinding.inflate(getLayoutInflater()); setContentView(mBinding.getRoot()); mActivityResultLauncher = registerForActivityResult(mActivityResultContract, mActivityResultCallback); mBinding.btnRecord.setOnClickListener(mOnClickListener); mBinding.btnPlay.setOnClickListener(mOnClickListener); requestPermissions(); } private final View.OnClickListener mOnClickListener = view -> { if (view.getId() == R.id.btn_record) { if (mPlaying) { return; } if (mRecording) { mRecording = false; mBinding.btnRecord.setText("Record"); Intent intent = new Intent(MainActivity.this, AudioCaptureService.class); stopService(intent); } else { mRecording = true; mBinding.btnRecord.setText("Stop"); mActivityResultLauncher.launch(null); } } else if (view.getId() == R.id.btn_play) { if (mRecording) { return; } Intent intent = new Intent(MainActivity.this, AudioPlayService.class); if (mPlaying) { mPlaying = false; mBinding.btnPlay.setText("Play"); stopService(intent); } else { mPlaying = true; mBinding.btnPlay.setText("Stop"); startForegroundService(intent); } } }; private void requestPermissions() { try { ActivityCompat.requestPermissions(this, mPermissions, REQUEST_PERMISSIONS_RETURN_CODE); } catch (Exception e) { e.printStackTrace(); } } @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); if (requestCode == REQUEST_PERMISSIONS_RETURN_CODE) { if (grantResults.length == 0 || grantResults[0] != PackageManager.PERMISSION_GRANTED) { Log.e("onRequestPermissionsResult", "Permissions Denied!"); } } } private final ActivityResultContract<Object, ActivityResult> mActivityResultContract = new ActivityResultContract<Object, ActivityResult>() { @NonNull @Override public Intent createIntent(@NonNull Context context, Object o) { MediaProjectionManager mediaProjectionManager = (MediaProjectionManager) getSystemService(MEDIA_PROJECTION_SERVICE); return mediaProjectionManager.createScreenCaptureIntent(); } @Override public ActivityResult parseResult(int code, @Nullable Intent intent) { return new ActivityResult(code, intent); } }; private final ActivityResultCallback<ActivityResult> mActivityResultCallback = result -> { Intent intent = new Intent(MainActivity.this, AudioCaptureService.class); intent.putExtra("resultCode", result.getResultCode()); intent.putExtra("data", result.getData()); startForegroundService(intent); }; }