From 9d5b41e21220637a04a052b81d239a9678f83701 Mon Sep 17 00:00:00 2001
From: hogliux <fabian.renn@gmail.com>
Date: Tue, 1 Nov 2022 15:38:42 +0100
Subject: [PATCH] Android: Fixed a bug which caused android native dialogs to
 be presented multiple times in a row

---
 modules/juce_core/native/juce_android_JNIHelpers.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/modules/juce_core/native/juce_android_JNIHelpers.cpp b/modules/juce_core/native/juce_android_JNIHelpers.cpp
index 972c6e1dd9..eb2c3838b3 100644
--- a/modules/juce_core/native/juce_android_JNIHelpers.cpp
+++ b/modules/juce_core/native/juce_android_JNIHelpers.cpp
@@ -650,8 +650,9 @@ public:
 
     void onStart() override
     {
-        getEnv()->CallVoidMethod (getNativeHandle(), AndroidFragment.startActivityForResult,
-                                  intent.get(), requestCode);
+        if (! std::exchange (activityHasStarted, true))
+            getEnv()->CallVoidMethod (getNativeHandle(), AndroidFragment.startActivityForResult,
+                                      intent.get(), requestCode);
     }
 
     void onActivityResult (int activityRequestCode, int resultCode, LocalRef<jobject> data) override
@@ -667,6 +668,7 @@ private:
     GlobalRef intent;
     int requestCode;
     std::function<void (int, int, LocalRef<jobject>)> callback;
+    bool activityHasStarted = false;
 };
 
 void startAndroidActivityForResult (const LocalRef<jobject>& intent, int requestCode,