feat: add test purchase android

client/android/src/org/amnezia/vpn/AmneziaActivity.kt

@@ -1160,6 +1160,13 @@ class AmneziaActivity : QtActivity() {
     @Suppress("unused")
     fun isPlay(): Boolean = BuildConfig.FLAVOR == "play"
 
+    @Suppress("unused")
+    fun isTestPurchaseEnvironment(): Boolean {
+        if (BuildConfig.DEBUG) return true
+        val appInfo = packageManager.getApplicationInfo(packageName, 0)
+        return (appInfo.flags and android.content.pm.ApplicationInfo.FLAG_DEBUGGABLE) != 0
+    }
+
     @Suppress("unused")
     fun getCountryCode(): String {
         Log.v(TAG, "Get country code")

client/platforms/android/android_controller.cpp

@@ -332,7 +332,11 @@ void AndroidController::sendTouch(float x, float y)
 bool AndroidController::isPlay()
 {
     return callActivityMethod<jboolean>("isPlay", "()Z");
+}
 
+bool AndroidController::isTestPurchaseEnvironment()
+{
+    return callActivityMethod<jboolean>("isTestPurchaseEnvironment", "()Z");
 }
 
 QJsonObject AndroidController::getSubscriptionPlans()

client/platforms/android/android_controller.h

@@ -56,6 +56,7 @@ public:
     bool requestAuthentication();
     void sendTouch(float x, float y);
     bool isPlay();
+    bool isTestPurchaseEnvironment();
     QJsonObject getSubscriptionPlans();
     QJsonObject purchaseSubscription(const QString &offerToken);
     QJsonObject upgradeSubscription(const QString &offerToken, const QString &oldPurchaseToken);