Android_播放本地或网络音乐

来源：互联网发布：java throw 编辑：程序博客网时间：2024/06/14 14:06
简单播放器布局：<?xml version="1.0" encoding="utf-8"?><LinearLayout    xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    tools:context="com.example.android_mediaplay_music.MainActivity">    <SeekBar        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:id="@+id/seek_main_bar"/>    <ImageButton        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:id="@+id/image_mian_button"        android:src="@android:drawable/ic_media_play"        android:onClick="play"/></LinearLayout>
Activity编码：
package com.example.android_mediaplay_music;import android.media.AudioManager;import android.media.MediaPlayer;import android.net.Uri;import android.os.Environment;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.ImageButton;import android.widget.SeekBar;import java.io.IOException;public class MainActivity extends AppCompatActivity {    private MediaPlayer mediaPlayer;    private ImageButton image_mian_button;    private SeekBar seek_main_bar;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        image_mian_button = (ImageButton) findViewById(R.id.image_mian_button);        seek_main_bar = (SeekBar) findViewById(R.id.seek_main_bar);        seek_main_bar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {            @Override            public void onProgressChanged(SeekBar seekBar, int i, boolean b) {            }            @Override            public void onStartTrackingTouch(SeekBar seekBar) {            }            @Override            public void onStopTrackingTouch(SeekBar seekBar) {                int current=seekBar.getProgress();                mediaPlayer.seekTo(current);            }        });    }    public void play(View view){        if (mediaPlayer==null){            //获取本地音乐//        mediaPlayer = MediaPlayer.create(this, R.raw.s8);            if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){                String path=Environment.getExternalStorageDirectory().getAbsolutePath();                mediaPlayer=new MediaPlayer();                mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);                try {                    //获取网络音乐                    mediaPlayer.setDataSource(this, Uri.parse("http://192.168.43.134:8080/s8.mp3"));//                    mediaPlayer.prepare();                    mediaPlayer.prepareAsync();                    mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {                        @Override                        public void onPrepared(MediaPlayer mediaPlayer) {                            mediaPlayer.start();                            seek_main_bar.setMax(mediaPlayer.getDuration());                            image_mian_button.setImageResource(android.R.drawable.ic_media_pause);                            new MyThread().start();                        }                    });                } catch (IOException e) {                    e.printStackTrace();                }            }        }else if (mediaPlayer.isPlaying()){            //如果正在播放音乐            mediaPlayer.pause();            image_mian_button.setImageResource(android.R.drawable.ic_media_play);        }else{            image_mian_button.setImageResource(android.R.drawable.ic_media_pause);            mediaPlayer.start();        }    }    class MyThread extends Thread{        @Override        public void run() {            super.run();            if (seek_main_bar.getProgress()<seek_main_bar.getMax()){                seek_main_bar.setProgress(mediaPlayer.getCurrentPosition());            }        }    }}
xml配置： 
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"></uses-permission>    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
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