Android音乐池 Android利用SoundPool实现音乐池

时间:2021-11-14 安之若素i 人气:0

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运行效果图如下：

布局文件（activity_sound_pool.xml）

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_sound_pool"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:orientation="vertical"
    tools:context="com.example.g150825_android26.SoundPoolActivity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="音效鸡"
        android:onClick="playKFC"
        />
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="音效TWO"
        android:onClick="playTWO"
        />
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="音效Three"
        android:onClick="playThree"
        />
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="音效Four"
        android:onClick="playFour"
        />
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="音效狗"
        android:onClick="playDog"
        />

</LinearLayout>

Java代码

package com.example.g150825_android26;

import android.app.AlarmManager;
import android.media.AudioManager;
import android.media.SoundPool;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class SoundPoolActivity extends AppCompatActivity {

    private SoundPool soundPool;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sound_pool);
        soundPool = new SoundPool(4, AudioManager.STREAM_MUSIC,0);

        soundPool.setOnLoadCompleteListener(new SoundPool.OnLoadCompleteListener() {
            @Override
            public void onLoadComplete(SoundPool soundPool, int i, int i1) {
                soundPool.play(i,1,1,1,-1,1);
            }
        });
    }
    public void playKFC(View view){
        soundPool.load(this,R.raw.rooster,1);
    }
    public void playTWO(View view){
        soundPool.load(this,R.raw.chimp,1);

    }
    public void playThree(View view){
        soundPool.load(this,R.raw.crickets,1);
    }
    public void playFour(View view){
        soundPool.load(this,R.raw.roar,1);
    }
    public void playDog(View view){
        soundPool.load(this,R.raw.dogbark,1);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (soundPool!=null){
            soundPool.release();
            soundPool=null;
        }
    }
}

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