package com.example.voicedemo; import java.util.ArrayList; import android.media.MediaPlayer; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; public class MainActivity extends Activity { private Button buttonTest; private int[] raws={R.raw.lifei_fly};//三个声音 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); buttonTest=(Button)findViewById(R.id.button1); buttonTest.setOnClickListener(new Mylistener()); } private class Mylistener implements OnClickListener{ @Override public void onClick(View arg0) { // TODO Auto-generated method stub Toast.makeText(MainActivity.this, "开始播放!", Toast.LENGTH_LONG).show(); MediaPlayer mp=MediaPlayer.create(MainActivity.this, getRandomVoice()); mp.start(); } } private int getRandomVoice() { //产生0-(strs.length-1)的整数值,也是数组的索引 int index=(int) (Math.random()*raws.length); return raws[index]; } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } }