我试图做一个简单的记录器,当我开始操作时,我得到fileNotFoundException。我如何在特定的文件夹中创建.wav文件,我们可以在外部卡上创建一个.wav文件,以便稍后可以访问该文件夹以便聆听存储在那里的记录。如何创建一个记录后的.wav文件 - Android Studio
这是到目前为止我的代码,我使用的library记录活动:
public class MainActivity extends Activity {
String filePath;
int color ;
int requestCode = 0;
Button recordButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
recordButton = (Button) findViewById(R.id.recordButton);
recordButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
filePath = Environment.getExternalStorageDirectory() + "/recorded_audio.wav";
color = getResources().getColor(R.color.colorPrimaryDark);
AndroidAudioRecorder.with(MainActivity.this)
.setFilePath(filePath)
.setColor(color)
.setRequestCode(requestCode)
.record();
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 0) {
if (resultCode == RESULT_OK) {
Toast.makeText(MainActivity.this, "Resoult ok", Toast.LENGTH_SHORT).show();
// Great! User has recorded and saved the audio file
} else if (resultCode == RESULT_CANCELED) {
Toast.makeText(MainActivity.this, "Resoult not-ok", Toast.LENGTH_SHORT).show();
// Oops! User has canceled the recording
}
}
}
}
但你回答了大约3gp文件,而不是wav文件没有? – motis10