[android] re-initializing Platform upon receiving onCreate.

android/jni/com/mapswithme/maps/MWMActivity.cpp

@@ -46,10 +46,9 @@ extern "C"
                                                   jstring storagePath,
                                                   jstring tmpPath,
                                                   jstring extTmpPath,
-                                                  jstring settingsPath)
+                                                  jstring settingsPath,
+                                                  jstring emptyModelMessage)
   {
-    if (!g_framework)
-    {
       android::Platform::Instance().Initialize(env,
                                                densityDpi,
                                                screenWidth,
@@ -60,8 +59,9 @@ extern "C"
                                                extTmpPath,
                                                settingsPath);
 
+    if (!g_framework)
       g_framework = new android::Framework(g_jvm);
-    }
+
     g_framework->SetEmptyModelMessage(emptyModelMessage);
   }
 ////////////////////////////////////////////////////////////////////////////////////////////

android/jni/com/mapswithme/platform/Platform.cpp

@@ -109,6 +109,9 @@ namespace android
                             jstring extTmpPath,
                             jstring settingsPath)
   {
+    if (m_impl)
+      delete m_impl;
+
     m_impl = new PlatformImpl(densityDpi, screenWidth, screenHeight);
 
     m_resourcesDir = jni::ToString(env, apkPath);

platform/platform_android.cpp

@@ -8,7 +8,7 @@
 #include <unistd.h>
 #include <sys/stat.h>
 
-Platform::Platform()
+Platform::Platform() : m_impl(0)
 {}
 
 Platform::~Platform()