我需要从我的firebase存储gs://fir-b9532.appspot.com/songs/song1.mp3下载mp3文件并将其播放到我的android应用程序中。 我想将mp3文件临时存储在设备的存储器中,用mediaplayer播放,然后播放一首新歌。从firebase存储下载并播放.mp3文件到内存
我按照firebase手册编写以下简单的代码,但似乎不工作。任何想法发生了什么问题?
package com.example.andreaskonstantakos.firebase;
import android.media.MediaPlayer;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.StorageReference;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
FirebaseStorage storage = FirebaseStorage.getInstance();
StorageReference storageRef = storage.getReference();
StorageReference songsRef = storageRef.child("songs");
StorageReference song1Ref = storageRef.child("songs/song1.mp3");
final long ONE_MEGABYTE = 1024 * 1024;
song1Ref.getBytes(ONE_MEGABYTE).addOnSuccessListener(new OnSuccessListener<byte[]>() {
@Override
public void onSuccess(byte[] bytes) {
// Data for "songs/song1.mp3" is returns, use this as needed
MediaPlayer md = MediaPlayer.create(MainActivity.this,R.id.bytes);
md.setLooping(false);
md.start();
}
}).addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception exception) {
// Handle any errors
}
});
}
}
的excecution继续onFailure处的方法,从不在的onSuccess –