在Android Studio中解决音频录制问题可以遵循以下步骤：

1. 添加权限：在AndroidManifest.xml文件中添加以下权限：

2. 创建录音功能的按钮：在布局文件中添加一个Button控件，用于开始和停止录音：

3. 初始化录音功能：在Activity中初始化录音功能，并设置好录音文件的保存路径：

private static final int REQUEST_RECORD_AUDIO_PERMISSION = 200;
private boolean permissionToRecordAccepted = false;
private String[] permissions = {Manifest.permission.RECORD_AUDIO};

private MediaRecorder recorder = null;
private String outputFile = null;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    outputFile = Environment.getExternalStorageDirectory().getAbsolutePath() + "/recording.3gp";

    ActivityCompat.requestPermissions(this, permissions, REQUEST_RECORD_AUDIO_PERMISSION);
}

@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
    super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    switch (requestCode) {
        case REQUEST_RECORD_AUDIO_PERMISSION:
            permissionToRecordAccepted = grantResults[0] == PackageManager.PERMISSION_GRANTED;
            break;
    }
    if (!permissionToRecordAccepted) finish();
}

4. 开始和停止录音：在Activity中添加以下方法，用于开始和停止录音：

public void startRecording(View view) {
    if (!permissionToRecordAccepted) {
        Toast.makeText(getApplicationContext(), "Permission Denied", Toast.LENGTH_SHORT).show();
        return;
    }

    recorder = new MediaRecorder();
    recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    recorder.setOutputFile(outputFile);

    try {
        recorder.prepare();
        recorder.start();
        Toast.makeText(getApplicationContext(), "Recording Started", Toast.LENGTH_SHORT).show();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

public void stopRecording(View view) {
    if (recorder != null) {
        recorder.stop();
        recorder.release();
        recorder = null;
        Toast.makeText(getApplicationContext(), "Recording Stopped", Toast.LENGTH_SHORT).show();
    }
}

5. 在布局文件中添加按钮的点击事件：

通过以上步骤，你就可以在Android Studio中实现音频录制功能，并在点击按钮时开始和停止录音了。