Added function to get memory card location, icons for that

src/libs/core/Android/tandroid.cpp

@@ -39,6 +39,18 @@ void Tandroid::setScreenLockDisabled() {
 }
 
 
+QString Tandroid::getExternalPath() {
+  QAndroidJniObject extDirObject =
+      QAndroidJniObject::callStaticObjectMethod("android/os/Environment", "getExternalStorageDirectory", "()Ljava/io/File;");
+  QAndroidJniObject externalPath = extDirObject.callObjectMethod( "getAbsolutePath", "()Ljava/lang/String;" );
+  QAndroidJniEnvironment env;
+  if (env->ExceptionCheck()) {
+    env->ExceptionClear();
+  }
+  return externalPath.toString();
+}
+
+
 QString Tandroid::accountName() {
   return "fake";
 //  return QAndroidJniObject::callStaticObjectMethod<jstring>

src/libs/core/Android/tandroid.h

@@ -27,8 +27,8 @@
  */
 namespace Tandroid {
 
-      /** Sets phone/tablet screen saving disabled. */
-  void setScreenLockDisabled();
+  void setScreenLockDisabled(); /**< Sets phone/tablet screen saving disabled. */
+  QString getExternalPath(); /**< Returns path to external storage (SD card). */
   QString accountName();
 
 }