[Android]

Fiz uma gravador de voz e o arquivo de armazenamento é uma String pathSave quero reproduzir em outra activity, mais em vez de reproduzir o som ele só mostra o caminho, algué sabe como posso corrigir para somente reproduzir o audio?

primeira tela

Intent intent = new Intent(MainActivity.this, MainActivity2.class);
intent.putExtra("play", pathSave);
startActivity(intent);


segunda tela

btnPlay =(Button)findViewById(R.id.play);

btnPlay.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String som = getIntent().getExtras().getString("play");
btnPlay.setText(som);
}
});


Esse é o código completo

public class MainActivity extends AppCompatActivity {
private WebView webView;
ImageButton grvg, stpg, plar, stpr, next;
String pathSave = "";
MediaRecorder mediaRecorder;
MediaPlayer mediaPlayer;
Uri audio;
String audio_ok;
final int REQUEST_PERMISSION_CODE = 200;

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

plar = (ImageButton)findViewById(R.id.plar);
grvg = (ImageButton)findViewById(R.id.grvg);
stpr = (ImageButton)findViewById(R.id.stpr);
stpg = (ImageButton)findViewById(R.id.stpg);
next = (ImageButton)findViewById(R.id.next);


if(checkPermissionFromDevice())
{

grvg.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
pathSave = Environment.getExternalStorageDirectory()
.getAbsolutePath()+"/gravação"
+ UUID.randomUUID().toString()+"_audio_record.3gp";

setupMediaRecorder();
try{
mediaRecorder.prepare();
mediaRecorder.start();
grvg.setEnabled(false);
stpr.setEnabled(false);
plar.setEnabled(false);
stpg.setEnabled(true);
Toast.makeText(MainActivity.this, "Gravando...", Toast.LENGTH_SHORT).show();
} catch(IOException e){

e.printStackTrace();
mediaPlayer.stop();

}

}
});

stpg.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mediaRecorder.stop();
stpg.setEnabled(false);
plar.setEnabled(true);
grvg.setEnabled(true);
stpr.setEnabled(false);
Toast.makeText(MainActivity.this, "Gravação parada...", Toast.LENGTH_SHORT).show();


}
});

plar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
stpr.setEnabled(true);
stpg.setEnabled(false);
grvg.setEnabled(false);

mediaPlayer = new MediaPlayer();
try{
mediaPlayer.setDataSource(pathSave);
mediaPlayer.prepare();
} catch (IOException e) {
e.printStackTrace();
}
mediaPlayer.start();
Toast.makeText(MainActivity.this, "Reproduzindo áudio...", Toast.LENGTH_SHORT).show();
}
});

stpr.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
stpr.setEnabled(false);
grvg.setEnabled(true);
stpr.setEnabled(false);
plar.setEnabled(true);
Toast.makeText(MainActivity.this, "Reprodução parada...", Toast.LENGTH_SHORT).show();

if (mediaPlayer != null)
{
mediaPlayer.stop();
mediaPlayer.release();

setupMediaRecorder();

}

}
});
}
else
{
requestPermission();
}
next.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {

Intent intent = new Intent(MainActivity.this, MainActivity2.class);

intent.putExtra("play", pathSave);
startActivity(intent);



}
});
}



private void setupMediaRecorder() {
mediaRecorder = new MediaRecorder();
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
mediaRecorder.setAudioEncoder(MediaRecorder.OutputFormat.AMR_NB);
mediaRecorder.setOutputFile(pathSave);
}

private void requestPermission() {
ActivityCompat.requestPermissions(this, new String[]{
Manifest.permission.WRITE_EXTERNAL_STORAGE,
Manifest.permission.RECORD_AUDIO,
Manifest.permission.INTERNET,
Manifest.permission.READ_EXTERNAL_STORAGE,
}, REQUEST_PERMISSION_CODE);
}

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode)
{
case REQUEST_PERMISSION_CODE:
{
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
Toast.makeText(this, "Permisson Aprovada", Toast.LENGTH_SHORT).show();
else
Toast.makeText(this, "Permission Negada", Toast.LENGTH_SHORT).show();
}
break;

}
}

private boolean checkPermissionFromDevice() {
int write_external_storage_result = ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
int record_audio_result = ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO);
int read_external_storage_result = ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE);
int internet_result = ContextCompat.checkSelfPermission(this, Manifest.permission.INTERNET);
return write_external_storage_result == PackageManager.PERMISSION_GRANTED &&
record_audio_result == PackageManager.PERMISSION_GRANTED &&
read_external_storage_result == PackageManager.PERMISSION_GRANTED &&
internet_result == PackageManager.PERMISSION_GRANTED;
}
}

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