android studio： unity3d+android：支付寶 MyAliPay代碼 package com.luoyikun.myalipay;
import android.app.Activity;
import android.app.Fragment;
import android.content.Context;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.text.TextUtils;
import android.widget.Toast;
import com.alipay.sdk.app.PayTask;
import com.unity3d.player.UnityPlayer;
import java.util.Map;
public class MyAliPay extends Fragment {
String m_gameObjectName;
String m_funcName;
private Context unityContext;
private Activity unityActivity;
private static final String TAG = "MyAliPay";
private static final int SDK_PAY_FLAG = 1;
private static final String RESULT_SUCCESS = "9000";
private static final String TIP_PAY_SUCCESS = "支付成功";
private static final String TIP_PAY_FAILED = "支付失敗";
public void UnityFunc(String gameObjectName, String funcName)
{
m_gameObjectName = gameObjectName;
m_funcName = funcName;
}
private static MyAliPay Instance = null;
public static MyAliPay GetInstanceByAndroid(Activity activity,Context context)
{
if (Instance == null)
{
Instance = new MyAliPay();
Instance.unityActivity = activity;
Instance.unityContext = context;
activity.getFragmentManager().beginTransaction().add(Instance, TAG).commit();
}
return Instance;
}
public static MyAliPay GetInstance()
{
if(Instance == null)
{
Instance = new MyAliPay();
//Instance.gameObjectName = gameObject;
Instance.unityActivity = UnityPlayer.currentActivity;
Instance.unityContext = Instance.unityActivity.getBaseContext();
UnityPlayer.currentActivity.getFragmentManager().beginTransaction().add(Instance, TAG).commit();
}
return Instance;
}
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setRetainInstance(true); // 這一句很重要，儲存對該Fragment的引用，防止在旋轉螢幕等操作時時丢失引用（Fragment隸屬于Activity）
}
// 調用 Unity
// gameObjectName 為接受消息的Unity 中 GameObject 的名字
// functionName 為接受消息的GameObject 挂載 C# 腳本中的函數名
// _content 為發送給Unity 的内容
public void CallUnity( String _content)
{
UnityPlayer.UnitySendMessage(m_gameObjectName, m_funcName, _content);
}
//支付回調:同步通知
private Handler mHandler = new Handler() {
public void handleMessage(Message msg) {
@SuppressWarnings("unchecked")
PayResult payResult = new PayResult((Map<String, String>) msg.obj);
//根據支付結果傳回的參數進行判斷,resultStatus:結果狀态
//如果resultStatus為9000則是支付成功,否則則判定為支付失敗
String resultStatus = payResult.getResultStatus();
if(TextUtils.equals(resultStatus,RESULT_SUCCESS)){
//支付成功
Toast.makeText(unityActivity, TIP_PAY_SUCCESS, Toast.LENGTH_SHORT).show();
}
else {
//支付失敗
Toast.makeText(unityActivity, TIP_PAY_FAILED, Toast.LENGTH_SHORT).show();
}
//Toast.makeText(MainActivity.this, payResult.getResult(),
// Toast.LENGTH_LONG).show();
}
};
//支付方法,提供給Unity調用,info參數是伺服器加簽後傳遞給用戶端的最終請求參數.再由用戶端調用該方法的時候傳遞.
//方法體是官方提供調用支付寶SDK支付的代碼.
public void PayING(final String info){
final String orderInfo = info; // 訂單資訊
//支付代碼
Runnable payRunnable = new Runnable() {
@Override
public void run() {
PayTask alipay = new PayTask(unityActivity);
Map<String, String> result = alipay.payV2(orderInfo,true);//ture表示unity到支付寶這個跳轉的過程,是否會有一個過渡的動畫
//支付結果回調:就是執行了以上的mHandler
Message msg = new Message();
msg.what = SDK_PAY_FLAG;
msg.obj = result;
mHandler.sendMessage(msg);
}
};
// 必須異步調用
Thread payThread = new Thread(payRunnable);
payThread.start();
}
} PayResult代碼： package com.luoyikun.myalipay;
import android.text.TextUtils;
import java.util.Map;
public class PayResult {
private String resultStatus;
private String result;
private String memo;
public PayResult(Map<String, String> rawResult) {
if (rawResult == null) {
return;
}
for (String key : rawResult.keySet()) {
//keySet 擷取到map的所有key集合 equals 判斷key的名稱是否等于xxx
if (TextUtils.equals(key, "resultStatus")) {
resultStatus = rawResult.get(key);
} else if (TextUtils.equals(key, "result")) {
result = rawResult.get(key);
} else if (TextUtils.equals(key, "memo")) {
memo = rawResult.get(key);
}
}
}
@Override
public String toString() {
return "resultStatus={" + resultStatus + "};memo={" + memo
+ "};result={" + result + "}";
}
/**
* @return the resultStatus
*/
public String getResultStatus() {
return resultStatus;
}
/**
* @return the memo
*/
public String getMemo() {
return memo;
}
/**
* @return the result
*/
public String getResult() {
return result;
}
} 修改Grade apply plugin: 'com.android.library'
android {
compileSdkVersion 28
defaultConfig {
minSdkVersion 21
targetSdkVersion 28
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:28.0.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
compile files('libs/alipaySdk-20170725.jar')
implementation files('libs/classes.jar')
} 修改AndroidManifest <manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.luoyikun.myalipay" >
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<application android:allowBackup="true">
<activity
android:name="com.alipay.sdk.app.H5PayActivity"
android:configChanges="orientation|keyboardHidden|navigation|screenSize"
android:exported="false"
android:screenOrientation="behind"
android:windowSoftInputMode="adjustResize|stateHidden" >
</activity>
<activity
android:name="com.alipay.sdk.app.H5AuthActivity"
android:configChanges="orientation|keyboardHidden|navigation"
android:exported="false"
android:screenOrientation="behind"
android:windowSoftInputMode="adjustResize|stateHidden" >
</activity>
</application>
</manifest> 增加混淆proguard-rules -keep class com.alipay.android.app.IAlixPay{*;}
-keep class com.alipay.android.app.IAlixPay$Stub{*;}
-keep class com.alipay.android.app.IRemoteServiceCallback{*;}
-keep class com.alipay.android.app.IRemoteServiceCallback$Stub{*;}
-keep class com.alipay.sdk.app.PayTask{ public *;}
-keep class com.alipay.sdk.app.AuthTask{ public *;}
-keep class com.alipay.sdk.app.H5PayCallback {
<fields>;
<methods>;
}
-keep class com.alipay.android.phone.mrpc.core.** { *; }
-keep class com.alipay.apmobilesecuritysdk.** { *; }
-keep class com.alipay.mobile.framework.service.annotation.** { *; }
-keep class com.alipay.mobilesecuritysdk.face.** { *; }
-keep class com.alipay.tscenter.biz.rpc.** { *; }
-keep class org.json.alipay.** { *; }
-keep class com.alipay.tscenter.** { *; }
-keep class com.ta.utdid2.** { *;}
-keep class com.ut.device.** { *;} unity3d端調用： public static void AliPay(string info)
{
AndroidJavaObject pluginObject = new AndroidJavaClass("com.luoyikun.myalipay.MyAliPay").CallStatic<AndroidJavaObject>("GetInstance");
pluginObject.Call("PayING", info);
} 
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