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Unity 调用 Android Native 方法(一) 获得Android系统音量

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互联网集市收集整理的这篇技术教程文章主要介绍了Unity 调用 Android Native 方法(一) 获得Android系统音量，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含2926字，纯文字阅读大概需要5分钟。

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学习雷锋，好榜样，接下来的这一系类教程里，将通过unity来实现Android端的一些常用功能，

不需要在 Asset/Plugins/Android 目录下引用jar包或者aar包，这是重点。

             1
            using
             System.Collections;

             2
            using
             System.Collections.Generic;

             3
            using
             UnityEngine;

             4
             5
            public
            class
             Volume : MonoBehaviour {

             6
             7
             8
            private
            const
            string currentVolume = "getStreamVolume";//当前音量 9privateconststring maxVolume = "getStreamMaxVolume";//最大音量1011privateconstint STREAM_VOICE_CALL = 0;
12privateconstint STREAM_SYSTEM = 1;
13privateconstint STREAM_RING = 2;
14privateconstint STREAM_MUSIC = 3;
15privateconstint STREAM_ALARM = 4;
16privateconstint STREAM_NOTIFICATION = 5;
17constint STREAM_DTMF = 8;
1819//创建几个 "3D Text" 用于接收音量值20public  TextMesh STREAM_VOICE_CALL_Text;
21public  TextMesh STREAM_SYSTEM_Text;
22public  TextMesh STREAM_RING_Text;
23public  TextMesh STREAM_MUSIC_Text;
24public  TextMesh STREAM_ALARM_Text;
25public  TextMesh STREAM_NOTIFICATION_Text;
26public  TextMesh STREAM_DTMF_Text;
272829privatestatic AndroidJavaObject audioManager;
303132void Awake()
33    {
34         AndroidJavaClass UnityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
35         AndroidJavaObject currentActivity = UnityPlayer.GetStatic<AndroidJavaObject>("currentActivity");
36         audioManager = currentActivity.Call<AndroidJavaObject>("getSystemService", new AndroidJavaObject("java.lang.String", "audio"));
37    }
38void Update()
39    {
40////current volume value
41//        STREAM_VOICE_CALL_Text.text = audioManager.Call<int> (currentVolume, STREAM_VOICE_CALL).ToString ();
42//        STREAM_SYSTEM_Text.text = audioManager.Call<int> (currentVolume, STREAM_SYSTEM).ToString ();
43//        STREAM_RING_Text.text = audioManager.Call<int> (currentVolume, STREAM_RING).ToString ();
44//        STREAM_MUSIC_Text.text = audioManager.Call<int> (currentVolume, STREAM_MUSIC).ToString ();
45//        STREAM_ALARM_Text.text = audioManager.Call<int> (currentVolume, STREAM_ALARM).ToString ();
46//        STREAM_NOTIFICATION_Text.text = audioManager.Call<int> (currentVolume, STREAM_NOTIFICATION).ToString ();
47//        STREAM_DTMF_Text.text = audioManager.Call<int> (currentVolume, STREAM_DTMF).ToString ();
4849//Max volume value50         STREAM_VOICE_CALL_Text.text = audioManager.Call<int> (maxVolume, STREAM_VOICE_CALL).ToString ();
51         STREAM_SYSTEM_Text.text = audioManager.Call<int> (maxVolume, STREAM_SYSTEM).ToString ();
52         STREAM_RING_Text.text = audioManager.Call<int> (maxVolume, STREAM_RING).ToString ();
53         STREAM_MUSIC_Text.text = audioManager.Call<int> (maxVolume, STREAM_MUSIC).ToString ();
54         STREAM_ALARM_Text.text = audioManager.Call<int> (maxVolume, STREAM_ALARM).ToString ();
55         STREAM_NOTIFICATION_Text.text = audioManager.Call<int> (maxVolume, STREAM_NOTIFICATION).ToString ();
56         STREAM_DTMF_Text.text = audioManager.Call<int> (maxVolume, STREAM_DTMF).ToString ();
5758    }
59 }

 

原文：http://www.cnblogs.com/Jason-c/p/7766021.html

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