Android: Fixed a crash when juce_gui_extra is not present

The default main JuceActivity for JUCE apps calls appNewIntent() in its onNewIntent() implementation which is defined in juce_gui_extra. This commit moves the implementation into juce_gui_basics.

modules/juce_gui_basics/native/juce_android_Windowing.cpp

@@ -1667,4 +1667,25 @@ const int KeyPress::stopKey         = extendedKeyModifier + 46;
 const int KeyPress::fastForwardKey  = extendedKeyModifier + 47;
 const int KeyPress::rewindKey       = extendedKeyModifier + 48;
 
+//==============================================================================
+struct JuceActivityNewIntentListener
+{
+    #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \
+     CALLBACK (appNewIntent, "appNewIntent", "(Landroid/content/Intent;)V")
+
+     DECLARE_JNI_CLASS (JavaActivity, JUCE_PUSH_NOTIFICATIONS_ACTIVITY)
+    #undef JNI_CLASS_MEMBERS
+
+    static void JNICALL appNewIntent (JNIEnv*, jobject /*activity*/, jobject intentData)
+    {
+       #if JUCE_PUSH_NOTIFICATIONS && JUCE_MODULE_AVAILABLE_juce_gui_extra
+        juce_handleNotificationIntent (static_cast<void*> (intentData));
+       #else
+        juce::ignoreUnused (intentData);
+       #endif
+    }
+};
+
+JuceActivityNewIntentListener::JavaActivity_Class JuceActivityNewIntentListener::JavaActivity;
+
 } // namespace juce

modules/juce_gui_extra/native/juce_android_PushNotifications.cpp

@@ -1645,25 +1645,4 @@ bool juce_handleNotificationIntent (void* intent)
     return false;
 }
 
-//==============================================================================
-struct JuceActivityNewIntentListener
-{
-    #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \
-     CALLBACK (appNewIntent, "appNewIntent", "(Landroid/content/Intent;)V")
-
-     DECLARE_JNI_CLASS (JavaActivity, JUCE_PUSH_NOTIFICATIONS_ACTIVITY)
-    #undef JNI_CLASS_MEMBERS
-
-    static void JNICALL appNewIntent (JNIEnv*, jobject /*activity*/, jobject intentData)
-    {
-       #if JUCE_PUSH_NOTIFICATIONS && JUCE_MODULE_AVAILABLE_juce_gui_extra
-        juce_handleNotificationIntent(static_cast<void*>(intentData));
-       #else
-        juce::ignoreUnused(intentData);
-       #endif
-    }
-};
-
-JuceActivityNewIntentListener::JavaActivity_Class JuceActivityNewIntentListener::JavaActivity;
-
 } // namespace juce