Unity AndroidStudio和Unity交互老版本_unity studio和unity交互

apply plugin: 'com.android.library'
 
android {
    compileSdkVersion 25
    buildToolsVersion "25.0.0"
    defaultConfig {
        minSdkVersion 15
        targetSdkVersion 25
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}
 
dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    compile files('libs/classes.jar')
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.wangby.Android" >
 
    <application
        android:allowBackup="true"
        android:label="@string/app_name"
        android:supportsRtl="true" >
        <activity android:name="com.wangby.Android.MainActivity" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
 
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
            <meta-data android:name="unityplayer.UnityActivity" android:value="true" />
        </activity>
    </application>
 
</manifest>

package com.wangby.Android;
 
//import android.support.v7.app.AppCompatActivity;//这里不需要引用这个android库文件
import android.os.Bundle;
 
import com.unity3d.player.UnityPlayerActivity;
import android.app.AlertDialog;
import android.widget.Toast;
import android.os.Vibrator;
import com.unity3d.player.UnityPlayer;
 
 
public class MainActivity extends UnityPlayerActivity {
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // setContentView(R.layout.activity_main);//注释掉这句话，这句话的意思是：启动界面是Android中的这个activity_main
    }
 
    // 调用弹出Android一个窗口
    public String ShowDialog(final String _title, final String _content){
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                builder.setTitle(_title).setMessage(_content).setPositiveButton("Down", null);
                builder.show();
            }
        });
        return "Java return";
    }
 
    // 定义一个显示Toast的方法，在Unity中调用此方法
    public void ShowToast(final String mStr2Show) {
        // 同样需要在UI线程下执行
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                Toast.makeText(getApplicationContext(),mStr2Show, Toast.LENGTH_LONG).show();
            }
        });
    }
 
    // 定义一个手机振动的方法，在Unity中调用此方法
    public void SetVibrator() {
        Vibrator mVibrator=(Vibrator)getSystemService(VIBRATOR_SERVICE);
        mVibrator.vibrate(new long[]{200, 2000, 2000, 200, 200, 200}, -1); //-1：表示不重复 0：循环的震动
    }
 
    // arg1：unity中的对象名字，记住是对象名字，不是脚本类名
    // arg2: 函数名
    // arg3: 传给函数的参数，目前只看到一个参   数，并且是string的，自己传进去转吧
    public void callUnityFunc(String _objName , String _funcStr, String _content) {
        UnityPlayer.UnitySendMessage(_objName, _funcStr, _content);
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
 
public class AndroidTest : MonoBehaviour {
    [SerializeField] private Text _label = null;
 
    // Use this for initialization
    void Start () {
 
    }
 
    // Update is called once per frame
    void Update () {
 
    }
 
    public void myShowDialog () {
        print ("myShowDialog_1");
        AndroidJavaClass androidJavaClass = new AndroidJavaClass ("com.unity3d.player.UnityPlayer");
        AndroidJavaObject androidJavaObject = androidJavaClass.GetStatic<AndroidJavaObject> ("currentActivity");
 
        string [] mObject = new string [2];
        mObject [0] = "小菜菜";
        mObject [1] = "大春绿";
        string ret = androidJavaObject.Call<string> ("ShowDialog", mObject);
        setMessage (ref ret);
        print ("myShowDialog_2");
    }
    public void myShowToast () {
        print ("myShowToast_1");
        AndroidJavaClass androidJavaClass = new AndroidJavaClass ("com.unity3d.player.UnityPlayer");
        AndroidJavaObject androidJavaObject = androidJavaClass.GetStatic<AndroidJavaObject> ("currentActivity");
        androidJavaObject.Call ("ShowToast", "你是不是傻");
        print ("myShowToast_2");
    }
    /// <summary>
	/// arg0: 调用android中的方法
    /// arg1: 对象名
    /// arg2: 函数名
    /// arg3: 参数1
    /// </summary>
    public void myInteraction () {
        print ("myInteraction_1");
        AndroidJavaClass androidJavaClass = new AndroidJavaClass ("com.unity3d.player.UnityPlayer");
        AndroidJavaObject androidJavaObject = androidJavaClass.GetStatic<AndroidJavaObject> ("currentActivity");
        androidJavaObject.Call ("callUnityFunc", "ReceiveObject", "receiveMessage", "此系统表示不喜欢你，并表示你长得很丑...");
        print ("myInteraction_2");
    }
    public void receiveMessage (string message) {
        print ("receiveMessage_：" + message);
        setMessage (ref message);
    }
 
    public void setMessage (ref string content) {
        print ("setMessage_：" + content);
        _label.text = content;
    }
}