Fix crash when navigate to upload a file

src/com/owncloud/android/ui/adapter/LocalFileListAdapter.java

@@ -40,8 +40,6 @@ import com.owncloud.android.datamodel.ThumbnailsCacheManager;
 import com.owncloud.android.utils.BitmapUtils;
 import com.owncloud.android.utils.DisplayUtils;
 
-import third_parties.in.srain.cube.GridViewWithHeaderAndFooter;
-
 /**
  * This Adapter populates a ListView with all files and directories contained
  * in a local directory

src/com/owncloud/android/ui/fragment/ExtendedListFragment.java

@@ -22,8 +22,6 @@ package com.owncloud.android.ui.fragment;
 
 import java.util.ArrayList;
 
-import android.annotation.TargetApi;
-import android.content.Context;
 import android.os.Build;
 import android.os.Bundle;
 import android.support.v4.widget.SwipeRefreshLayout;
@@ -223,7 +221,8 @@ implements OnItemClickListener, OnEnforceableRefreshListener {
      */
     protected int getReferencePosition() {
         if (mCurrentListView != null) {
-            return (mCurrentListView.getFirstVisiblePosition() + mCurrentListView.getLastVisiblePosition()) / 2;
+            return (mCurrentListView.getFirstVisiblePosition() +
+                    mCurrentListView.getLastVisiblePosition()) / 2;
         } else {
             return 0;
         }
@@ -241,7 +240,8 @@ implements OnItemClickListener, OnEnforceableRefreshListener {
             final int firstPosition = mFirstPositions.remove(mFirstPositions.size() -1);
             int top = mTops.remove(mTops.size() - 1);
 
-            Log_OC.v(TAG, "Setting selection to position: " + firstPosition + "; top: " + top + "; index: " + index);
+            Log_OC.v(TAG, "Setting selection to position: " + firstPosition + "; top: "
+                    + top + "; index: " + index);
 
             if (mCurrentListView == mListView) {
                 if (mHeightCell*index <= mListView.getHeight()) {
@@ -338,8 +338,8 @@ implements OnItemClickListener, OnEnforceableRefreshListener {
 
     private void onCreateSwipeToRefresh(SwipeRefreshLayout refreshLayout) {
         // Colors in animations: background
-        refreshLayout.setColorScheme(R.color.background_color, R.color.background_color, R.color.background_color,
-                R.color.background_color);
+        refreshLayout.setColorScheme(R.color.background_color, R.color.background_color,
+                R.color.background_color, R.color.background_color);
 
         refreshLayout.setOnRefreshListener(this);
     }
@@ -359,6 +359,8 @@ implements OnItemClickListener, OnEnforceableRefreshListener {
         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
             mListView.setChoiceMode(choiceMode);
             mGridView.setChoiceMode(choiceMode);
+        } else {
+            ((ListView)mListView).setChoiceMode(choiceMode);
         }
     }
 

src/com/owncloud/android/ui/fragment/LocalFileListFragment.java

@@ -64,7 +64,8 @@ public class LocalFileListFragment extends ExtendedListFragment {
         try {
             mContainerActivity = (ContainerActivity) activity;
         } catch (ClassCastException e) {
-            throw new ClassCastException(activity.toString() + " must implement " + LocalFileListFragment.ContainerActivity.class.getSimpleName());
+            throw new ClassCastException(activity.toString() + " must implement " +
+                    LocalFileListFragment.ContainerActivity.class.getSimpleName());
         }
     }
     
@@ -99,7 +100,8 @@ public class LocalFileListFragment extends ExtendedListFragment {
     }
     
     /**
-     * Checks the file clicked over. Browses inside if it is a directory. Notifies the container activity in any case.
+     * Checks the file clicked over. Browses inside if it is a directory.
+     * Notifies the container activity in any case.
      */
     @Override
     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
@@ -117,7 +119,7 @@ public class LocalFileListFragment extends ExtendedListFragment {
             } else {    /// Click on a file
                 ImageView checkBoxV = (ImageView) v.findViewById(R.id.custom_checkbox);
                 if (checkBoxV != null) {
-                    if (getListView().isItemChecked(position)) {
+                    if (((ListView)getListView()).isItemChecked(position)) {
                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
                     } else {
                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
@@ -182,7 +184,8 @@ public class LocalFileListFragment extends ExtendedListFragment {
             if(mDirectory != null){
                 directory = mDirectory;
             } else {
-                directory = Environment.getExternalStorageDirectory();  // TODO be careful with the state of the storage; could not be available
+                directory = Environment.getExternalStorageDirectory();
+                // TODO be careful with the state of the storage; could not be available
                 if (directory == null) return; // no files to show
             }
         }
@@ -194,7 +197,8 @@ public class LocalFileListFragment extends ExtendedListFragment {
             directory = directory.getParentFile();
         }
 
-        mCurrentListView.clearChoices();   // by now, only files in the same directory will be kept as selected
+        // by now, only files in the same directory will be kept as selected
+        ((ListView)mCurrentListView).clearChoices();
         mAdapter.swapDirectory(directory);
         if (mDirectory == null || !mDirectory.equals(directory)) {
             mCurrentListView.setSelection(0);
@@ -210,11 +214,12 @@ public class LocalFileListFragment extends ExtendedListFragment {
      */
     public String[] getCheckedFilePaths() {
         ArrayList<String> result = new ArrayList<String>();
-        SparseBooleanArray positions = mCurrentListView.getCheckedItemPositions();
+        SparseBooleanArray positions = ((ListView)mCurrentListView).getCheckedItemPositions();
         if (positions.size() > 0) {
             for (int i = 0; i < positions.size(); i++) {
                 if (positions.get(positions.keyAt(i)) == true) {
-                    result.add(((File) mCurrentListView.getItemAtPosition(positions.keyAt(i))).getAbsolutePath());
+                    result.add(((File) mCurrentListView.getItemAtPosition(
+                            positions.keyAt(i))).getAbsolutePath());
                 }
             }
 
@@ -237,7 +242,8 @@ public class LocalFileListFragment extends ExtendedListFragment {
         public void onDirectoryClick(File directory);
         
         /**
-         * Callback method invoked when a file (non directory) is clicked by the user on the files list
+         * Callback method invoked when a file (non directory)
+         * is clicked by the user on the files list
          *  
          * @param file
          */
@@ -245,7 +251,8 @@ public class LocalFileListFragment extends ExtendedListFragment {
         
         
         /**
-         * Callback method invoked when the parent activity is fully created to get the directory to list firstly.
+         * Callback method invoked when the parent activity
+         * is fully created to get the directory to list firstly.
          * 
          * @return  Directory to list firstly. Can be NULL.
          */