android: fewer exceptions, and more debug output on null renderables

cleanup some library mentions

android/experimental/LibreOffice4Android/Makefile

@@ -21,11 +21,9 @@ copy-stuff:
 #
 	for F in $(strip \
 		   analysislo \
-		   avmedialo \
 		   basebmplo \
 		   basegfxlo \
 		   bootstrap.uno \
-		   canvastoolslo \
 		   chartcontrollerlo \
 		   chartcorelo \
 		   comphelpgcc3 \
@@ -34,7 +32,6 @@ copy-stuff:
 		   datelo \
 		   dbaxmllo \
 		   dbtoolslo \
-		   drawinglayerlo \
 		   embobj \
 		   evtattlo \
 		   expwrap.uno \

android/experimental/LibreOffice4Android/src/org/libreoffice/android/DocumentLoader.java

@@ -279,6 +279,12 @@ public class DocumentLoader
             // Use dummySmallDevice with no scale of offset just to find out
             // the paper size of this page.
             Log.i( TAG , "Render( " + Integer.toString( number ) + " )");
+
+            if (renderable == null) {
+                Log.i( TAG , "no renderable");
+                return null;
+            }
+
             PropertyValue renderProps[] = new PropertyValue[3];
             renderProps[0] = new PropertyValue();
             renderProps[0].Name = "IsPrinter";
@@ -363,6 +369,11 @@ public class DocumentLoader
             // Use dummySmallDevice with no scale of offset just to find out
             // the paper size of this page.
 
+            if (renderable == null) {
+                Log.i( TAG , "no renderable to render page ( " + Integer.toString(number) + " )" );
+                return null;
+            }
+
             PropertyValue renderProps[] = new PropertyValue[3];
             renderProps[0] = new PropertyValue();
             renderProps[0].Name = "IsPrinter";
@@ -686,7 +697,8 @@ public class DocumentLoader
                 doc = componentLoader.loadComponentFromURL(url, "_blank", 0, loadProps);
                 publishProgress( new Integer( 33 ));
                 long t1 = System.currentTimeMillis();
-                Log.i(TAG, "Loading took " + ((t1-t0)-timingOverhead) + " ms");
+                Log.i(TAG, "Loading took " + ((t1-t0)-timingOverhead) + " ms => " +
+                      (doc == null ? "null" : "have") + "document");
 
                 Object toolkitService = mcf.createInstanceWithContext
                     ("com.sun.star.awt.Toolkit", context);
@@ -711,11 +723,19 @@ public class DocumentLoader
                 renderProps[2].Name = "View";
                 renderProps[2].Value = new MyXController();
 
+                if (renderable != null)
+                {
                     t0 = System.currentTimeMillis();
                     pageCount = renderable.getRendererCount(doc, renderProps);
                     t1 = System.currentTimeMillis();
                     Log.i(TAG, "getRendererCount: " + pageCount + ", took " + ((t1-t0)-timingOverhead) + " ms");
                 }
+                else
+                {
+                    pageCount = 1; // hack
+                    Log.i(TAG, "no / null renderable interface!");
+                }
+            }
             catch (Exception e) {
                 e.printStackTrace(System.err);
                 finish();

android/experimental/LibreOffice4Android/src/org/libreoffice/ui/FileUtilities.java

@@ -71,6 +71,8 @@ public class FileUtilities {
 
     private static final String getExtension(String filename)
     {
+        if (filename == null)
+            return "";
         int nExt = filename.lastIndexOf('.');
         if (nExt < 0)
             return "";
@@ -96,6 +98,9 @@ public class FileUtilities {
     static private boolean doAccept(String filename, int byMode, String byFilename)
     {
     android.util.Log.d("debug", "doAccept : " + filename + " mode " + byMode + " byFilename " + byFilename);
+    if (filename == null)
+        return false;
+
     if (byMode == ALL && byFilename == "") {
         if( filename.startsWith(".")) {//ignore hidden files
             return false;

android/qa/desktop/Makefile

@@ -93,14 +93,11 @@ copy-stuff: buildrcs
 #
 	for F in $(strip \
 		  analysislo \
-		  avmedialo \
 		  basebmplo \
 		  basegfxlo \
 		  bootstrap.uno \
-		  canvastoolslo \
 		  comphelpgcc3 \
 		  cppcanvaslo \
-		  drawinglayerlo \
 		  embobj \
 		  expwrap.uno \
 		  fileacc \