Fix nullptr exception in presentation on Android

Change-Id: If54c26f66466ee591d198aaf3f8f68ba04e5f4b3
Signed-off-by: Mert Tumer <[email protected]>
Reviewed-on: https://gerrit.libreoffice.org/62774
Tested-by: Jenkins
Reviewed-by: Gülşah Köse <[email protected]>
diff --git a/android/source/src/java/org/libreoffice/FontController.java b/android/source/src/java/org/libreoffice/FontController.java
index 1ac8fd6..a00e13e 100644
--- a/android/source/src/java/org/libreoffice/FontController.java
+++ b/android/source/src/java/org/libreoffice/FontController.java
@@ -64,6 +64,7 @@

        @Override
        public void updateColorPickerPosition(int color) {
            if(backColorPickerAdapter != null)
            backColorPickerAdapter.findSelectedTextColor(color + 0xFF000000);
            changeFontBackColorBoxColor(color + 0xFF000000);