Android简单的利用SoundPool进行播放铃声的实例代码

 

MainActivity.java

package com.example.pengdonglin.soundpool_demo; import android.annotation.SuppressLint; import android.media.AudioManager; import android.media.SoundPool; import android.support.v7.app.ActionBarActivity; import android.os.Bundle; import android.util.SparseIntArray; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import java.util.HashMap; public class MainActivity extends ActionBarActivity implements View.OnClickListener { Button btn1, btn2, btn3; SoundPool soundpool; //HashMap<Integer, Integer> soundMap = new HashMap<Integer, Integer>();

    SparseIntArray soundMap = new SparseIntArray(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btn1 = (Button) findViewById(R.id.button); btn2 = (Button) findViewById(R.id.button2); btn3 = (Button) findViewById(R.id.button3); soundpool = new SoundPool(10, AudioManager.STREAM_MUSIC, 5); soundMap.put(1, soundpool.load(this, R.raw.carbon, 1)); soundMap.put(2, soundpool.load(this, R.raw.cesium, 1)); soundMap.put(3, soundpool.load(this, R.raw.fermium, 1)); btn1.setOnClickListener(this); btn2.setOnClickListener(this); btn3.setOnClickListener(this); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present.

 getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml.

        int id = item.getItemId(); //noinspection SimplifiableIfStatement

        if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } @Override public void onClick(View v) { switch(v.getId()) { case R.id.button: soundpool.play(soundMap.get(1), 1, 1, 0, 0, 1); break; case R.id.button2: soundpool.play(soundMap.get(2), 1, 1, 0, 0, 1); break; case R.id.button3: soundpool.play(soundMap.get(3), 1, 1, 0, 0, 1); break; } } }

 

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">



    <TextView android:text="@string/hello_world" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/textView" />



    <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="New Button" android:id="@+id/button" android:layout_below="@+id/textView" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_marginTop="46dp" />



    <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="New Button" android:id="@+id/button2" android:layout_below="@+id/button" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_marginTop="42dp" />



    <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="New Button" android:id="@+id/button3" android:layout_below="@+id/button2" android:layout_centerVertical="true" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_marginTop="42dp"/>



</RelativeLayout>

 

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.pengdonglin.soundpool_demo" >



    <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" >

        <activity android:name=".MainActivity" android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />



                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>



</manifest>