set correct prefixPath()

Author: mbernasocchi

src/core/qgsapplication.cpp

@@ -139,6 +139,12 @@ void QgsApplication::init( QString customConfigPath )
     {
 #if defined(Q_WS_MACX) || defined(Q_WS_WIN32) || defined(WIN32)
       setPrefixPath( applicationDirPath(), true );
+#elif defined(ANDROID)
+    // this is  "/data/data/org.qgis.qgis" in android
+    QDir myDir( QDir::homePath() );
+    myDir.cdUp();
+    QString myPrefix = myDir.absolutePath();
+    setPrefixPath( myPrefix, true );
 #else
       QDir myDir( applicationDirPath() );
       myDir.cdUp();