Android 播放音频文件

AudioFragment.java

package com.dasudian.hellomoon;


import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;


public class AudioFragment extends Fragment {
// 播发音频
private AudioPlayer mPlayer = new AudioPlayer();
private Button mPlayButton;
private Button mStopButton;

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View v = inflater.inflate(R.layout.fragment_audio, container, false);
        mPlayButton = (Button)v.findViewById(R.id.hellomoon_playButton);
        mPlayButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
                mPlayer.play(getActivity());
            }
        });
        mStopButton = (Button)v.findViewById(R.id.hellomoon_stopButton);
        mStopButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
                mPlayer.stop();
            }
        });
return  v;
    }



@Override
public void onDestroy() {
super.onDestroy();
        mPlayer.stop();
    }
}

AudioPlayer.java

package com.dasudian.hellomoon;

import android.content.Context;
import android.media.MediaPlayer;

/**
 * Created by liuwei on 16/4/9.
 */
public class AudioPlayer {
private MediaPlayer mPlayer;

public void stop() {
if (mPlayer != null) {
            mPlayer.release();
            mPlayer = null;
        }
    }

public void play(Context c) {
// 播放新的前先把原来的关闭
        stop();

        mPlayer = MediaPlayer.create(c, R.raw.one_small_step);
// 播放完了就停止
        mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
                stop();
            }
        });
        mPlayer.start();
    }
}

布局文件

<?xml version="1.0" encoding="utf-8"?>
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">

<ImageView
 android:src="@mipmap/armstrong_on_moon"
android:contentDescription="@string/hellomoon_description"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerInside"
android:layout_weight="1"/>

<TableRow
 android:gravity="center|bottom"
android:layout_weight="0">
<Button
 android:id="@+id/hellomoon_playButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hellomoon_play"/>
<Button
 android:id="@+id/hellomoon_stopButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hellomoon_stop"/>
</TableRow>

</TableLayout>