基于android_studio开发的播放本地音乐_内置简易的播放暂停

package com.example.awayliu.button2playmusic; import android.support.v7.app.AppCompatActivity; import android.app.Activity; import android.media.MediaPlayer; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.ImageButton; import android.widget.TextView; public class MainActivity extends Activity { // 定义三个按钮 private ImageButton mButton01, mButton02, mButton03; private TextView mTextView01; private MediaPlayer mMediaPlayer01; /* 声明一个Flag 判断是否暂停 */ private boolean bIsPaused = false; /** * Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final String playString = "Playing"; final String stopString = "Stoped"; /* ͨ关联按键 */ mButton01 = (ImageButton) findViewById(R.id.imageButton1); mButton03 = (ImageButton) findViewById(R.id.imageButton3); // mButton03 = (ImageButton) findViewById(R.id.myButton3); // mTextView01 = (TextView) findViewById(R.id.textView); mTextView01 =(TextView) findViewById(R.id.textView); mTextView01.setText(stopString); /* onCreate MediaPlayer */ mMediaPlayer01 = new MediaPlayer(); /* 将音乐以Import的方式存储在res/raw/ */ mMediaPlayer01 = MediaPlayer.create(MainActivity.this, R.raw.test); /* 创建按键监听 */ // public void mButton01.setOnClickListener(new ImageButton.OnClickListener() { @Override public void onClick(View v) { try{ PlayMusic(); mTextView01.setText(playString); }catch (Exception e) { Log.i( "Log"," Play err"); } } }); mButton03.setOnClickListener(new ImageButton.OnClickListener() { @Override public void onClick(View v) { try{ mMediaPlayer01.stop(); mTextView01.setText(stopString); }catch (Exception e) { Log.i( "Log"," stop err"); } } }); } public void PlayMusic(){ Log.i("-------->","start run PlayMusic"); try { if (mMediaPlayer01 != null) { Log.i("PlayMusic"," find source music"); mMediaPlayer01.stop(); } /* * 在MediaPlayer取得播放资源与stop()之后 * 要准备Playback的状态前一定要使用MediaPlayer.prepare() */ mMediaPlayer01.prepare(); mMediaPlayer01.start(); Log.i("PlayMusic"," startPlayMusic"); // mTextView01.setText(R.string.str_start); } catch (Exception e) { // TODO Auto-generated catch block Log.e("PlayMusic"," ERR"); mTextView01.setText(e.toString()); e.printStackTrace(); } } }