安卓使用AudioManager控制手机音频

效果

代码

package com.javen.devicemange.CrazyOne.content;

import android.app.Service;
import android.content.Context;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.ToggleButton;

import com.javen.devicemange.R;

/**
* Created by Administrator on 2017/2/20 0020.
* 使用AudioManager控制手机音频
*/

public class AudioManagerTest extends AppCompatActivity implements View.OnClickListener {
private Button play;
private Button up;
private Button down;

Context context;
AudioManager audioManager;
private ToggleButton mute;
MediaPlayer mediaPlayer;

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.audiomanagertest);
initView();

this.context = this;
audioManager = (AudioManager) getSystemService(Service.AUDIO_SERVICE);

mute.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
//将手机指定类型的声音调整为静音
audioManager.setStreamMute(AudioManager.STREAM_MUSIC, isChecked);
}
});

}

private void initView() {
play = (Button) findViewById(R.id.play);
up = (Button) findViewById(R.id.up);
down = (Button) findViewById(R.id.down);

play.setOnClickListener(this);
up.setOnClickListener(this);
down.setOnClickListener(this);
mute = (ToggleButton) findViewById(R.id.mute);
mute.setOnClickListener(this);
}

@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.play:
mediaPlayer = MediaPlayer.create(this, R.raw.bomb);
mediaPlayer.setLooping(true);
mediaPlayer.start();

break;
case R.id.up:
//AudioManager.STREAM_MUSIC 手机音乐的声音
//AudioManager.FLAG_SHOW_UI 调整声音时显示音量进度条
audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);
if(null!=mediaPlayer) {
mediaPlayer.start();
}
break;
case R.id.down:
audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI);
if(null!=mediaPlayer) {
mediaPlayer.start();
}

break;
case R.id.mute:

break;
}
}
}

声音文件的位置

布局xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">

<Button
android:id="@+id/play"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="play"/>
<Button
android:id="@+id/up"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="up"/>
<Button
android:id="@+id/down"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="down"/>
<ToggleButton
android:id="@+id/mute"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="mute"/>

</LinearLayout>