製作 Unity Plugin for Android Johnny Sung 2014.09.24 @ Android Taipei

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https://fb.com/j796160836 Johnny Sung Mobile devices Developer https://plus.google.com/+JohnnySung http://about.me/j796160836 Mobile devices Developer https://plus.google.com/+JohnnySung http://about.me/j796160836

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6OJUZ涸嚌䙂 GameObject Component

GameObject GameObject

GameObject Component

♧⦐瑠涯涸$PNQPOFOUꟀ鸏垺 using UnityEngine;
 using System.Collections;
 
 public class testComponent : MonoBehaviour {
 
 // Use this for initialization
 void Start () {
 
 }
 
 // Update is called once per frame
 void Update () {
 
 }
 }

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http://docs.unity3d.com/ScriptReference/

C# AndroidJavaClass AndroidJavaObject Java Java
 UnitySendMessage() C#
 (對應的接⼝口) (Unity Engine) (Native) 6OJUZ1MVHJO涸ㄎ〭倰䒭

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/Applications/Unity/Unity.app/Contents/ PlaybackEngines/AndroidPlayer/development/bin classes.jar 檔案位置 Mac C:\Program Files (x86)\Unity\Editor\Data\ PlaybackEngines\androidplayer\development\bin Windows (optional)

6OJUZㄎ〭"OESPJE涸⿮侸 AndroidJavaClass AndroidJavaObject

h"p://docs.unity3d.com/ScriptReference/AndroidJavaObject.html

AndroidJavaObject Call() CallStatic() Get() GetStatic() SetStatic()

h"p://docs.unity3d.com/ScriptReference/AndroidJavaObject.Call.html

package com.example.unitytest; ! public class Pet { private int id; private String name; ! public void setId(int id) { this.id = id; } ! public void setName(String name) { this.name = name; } ! @Override public String toString() { return "Pet [id=" + id + ", name=" + name + "]"; } ! } ♧⦐矦㋲涸眕⢿

AndroidJavaObject obj = new AndroidJavaObject ("com.example.unitytest.Pet");
 obj.Call ("setId", 123);
 obj.Call ("setName", "Lucky");
 string str = obj.Call ("toString");
 Debug.Log (str); Pet obj = new Pet(); obj.setId(123); obj.setName("Lucky"); String str=obj.toString(); Log.v("Unity", str); Java C# ♧⦐矦㋲涸眕⢿

try { UnityPlayer.UnitySendMessage(gameObject, method, message); } catch(Exception e) { Log.e("Unity", "UnitySendMessage failed" + e.getMessage()); } ꡠ倴6OJUZ4FOE.FTTBHF GameObject Name Method Name Parameter

C# 䱺佐 ꡠ倴6OJUZ4FOE.FTTBHF public void CallFromObjC(string message)
 {
 Debug.Log (message);
 } MyViewObject.cs try { UnityPlayer.UnitySendMessage("MyGameObject", "CallFromObjC", "hello"); } catch (Exception e) { e.printStackTrace(); } Java ⫄鷑 MyPlugin.java

《䖤Activity import android.app.Activity; import com.unity3d.player.UnityPlayer; ! public class MyViewPlugin { public static Activity getActivity() { Activity a = UnityPlayer.currentActivity; return a; } } public static AndroidJavaClass getActivity ()
 {
 AndroidJavaClass player; player = new AndroidJavaClass ("com.unity3d.player.UnityPlayer");
 AndroidJavaObject a; a = player.GetStatic (“currentActivity"); return a;
 } C# Java

package com.unity3d.player; ! public class UnityPlayerNativeActivity extends NativeActivity { // don't change the name of this variable; referenced from native code protected UnityPlayer mUnityPlayer; ! // Setup activity layout @Override protected void onCreate (Bundle savedInstanceState) { requestWindowFeature(Window.FEATURE_NO_TITLE); super.onCreate(savedInstanceState); ! getWindow().takeSurface(null); setTheme(android.R.style.Theme_NoTitleBar_Fullscreen); getWindow().setFormat(PixelFormat.RGB_565); ! mUnityPlayer = new UnityPlayer(this); if (mUnityPlayer.getSettings ().getBoolean ("hide_status_bar", true)) getWindow ().setFlags (WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); ! setContentView(mUnityPlayer); mUnityPlayer.requestFocus(); } ! // Quit Unity @Override protected void onDestroy () { mUnityPlayer.quit(); super.onDestroy(); } ! // … UnityPlayerNativeActivity.java

糒䪭㸐 package com.example.unitytest; ! import android.os.Bundle; ! import com.unity3d.player.UnityPlayerNativeActivity; ! public class MainActivity extends UnityPlayerNativeActivity { ! @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } ! }

AndroidManifest.xml 岤䠑"OESPJE.BOJGFTU

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յЇ℻ԛ Assets! Plugins! Android! bin! MyJar.jar! res! drawable-hdpi! drawable-ldpi! …! layout! values! AndroidManifest.xml

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Q and A

Thanks!

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References Unity Webview https://github.com/gree/unity-webview Building Plugins for Android http://docs.unity3d.com/Manual/PluginsForAndroid.html 藍斯洛‧雜技的雜記: Unity3D Plug-in for Android -- Activity 擴展⽅方法 http://lancelotdiary.blogspot.tw/2012/05/unity3d-plug-in-for- android-activity.html 懂點Unity Plugin，替荷包省點錢！(安卓 Android篇) http://www.unityin.com/2013/05/%E6%87%82%E9%BB%9Eunity-plugin%EF%BC%8C %E6%9B%BF%E8%8D%B7%E5%8C%85%E7%9C%81%E9%BB%9E%E9%8C%A2%EF%BC %81%E5%AE%89%E5%8D%93-android%E7%AF%87/

Unity3D研究院之打開Activity與調⽤用JAVA代碼傳遞參數 http://www.xuanyusong.com/archives/667 Unity GPS plugin development tutorial: 
 building a Android plugin for Unity with Eclipse and Ant http://www.mat-d.com/site/unity-gps-plugin-development-tutorial- building-a-android-plugin-for-unity-with-eclipse-and-ant/ References

ꡠ倴Android 涸Back ꒳ public class BackKey : MonoBehaviour
 {
 void Update() {
 #if UNITY_ANDROID
 if (Input.GetKeyDown(KeyCode.Escape)) {
 Application.Quit(); // Application.LoadLevel("PreviousLevel");
 }
 #endif
 }
 } #BDL꒳剚㼩䥰ⵌ꒳湏涸&TD h"p://answers.unity3d.com/quesBons/25535/android-­‐back-­‐bu"on-­‐event.html

Unity∣Ⴈ‴თ https://www.facebook.com/groups/581769871867384 想做遊戲？