unify tintDrawable methods

src/main/java/com/owncloud/android/ui/adapter/FileListListAdapter.java

@@ -330,10 +330,11 @@ public class FileListListAdapter extends BaseAdapter {
                     ) {
                 if (parentList.isItemChecked(position)) {
                     view.setBackgroundColor(mContext.getResources().getColor(R.color.selected_item_background));
-                    checkBoxV.setImageDrawable(MimeTypeUtil.tintDrawable(R.drawable.ic_checkbox_marked, R.color.primary));
+                    checkBoxV.setImageDrawable(DisplayUtils.tintDrawable(R.drawable.ic_checkbox_marked,
+                            R.color.primary));
                 } else {
                     view.setBackgroundColor(Color.WHITE);
-                    checkBoxV.setImageDrawable(MimeTypeUtil.tintDrawable(R.drawable.ic_checkbox_blank_outline,
+                    checkBoxV.setImageDrawable(DisplayUtils.tintDrawable(R.drawable.ic_checkbox_blank_outline,
                             R.color.primary));
                 }
                 checkBoxV.setVisibility(View.VISIBLE);

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

@@ -23,7 +23,6 @@ package com.owncloud.android.ui.fragment;
 
 import android.animation.LayoutTransition;
 import android.app.Activity;
-import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
@@ -31,8 +30,6 @@ import android.support.annotation.DrawableRes;
 import android.support.annotation.StringRes;
 import android.support.design.widget.BottomNavigationView;
 import android.support.v4.app.Fragment;
-import android.support.v4.content.res.ResourcesCompat;
-import android.support.v4.graphics.drawable.DrawableCompat;
 import android.support.v4.view.MenuItemCompat;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.SearchView;
@@ -71,6 +68,7 @@ import com.owncloud.android.ui.activity.UploadFilesActivity;
 import com.owncloud.android.ui.adapter.FileListListAdapter;
 import com.owncloud.android.ui.adapter.LocalFileListAdapter;
 import com.owncloud.android.ui.events.SearchEvent;
+import com.owncloud.android.utils.DisplayUtils;
 
 import org.greenrobot.eventbus.EventBus;
 import org.parceler.Parcel;
@@ -644,10 +642,7 @@ public class ExtendedListFragment extends Fragment
                     mEmptyListHeadline.setText(headline);
                     mEmptyListMessage.setText(message);
 
-                    Drawable drawable = ResourcesCompat.getDrawable(MainApp.getAppContext().getResources(), icon, null);
-                    drawable = DrawableCompat.wrap(drawable);
-                    DrawableCompat.setTint(drawable, MainApp.getAppContext().getResources().getColor(R.color.primary));
-                    mEmptyListIcon.setImageDrawable(drawable);
+                    mEmptyListIcon.setImageDrawable(DisplayUtils.tintDrawable(icon, R.color.primary));
 
                     mEmptyListIcon.setVisibility(View.VISIBLE);
                     mEmptyListProgress.setVisibility(View.GONE);

src/main/java/com/owncloud/android/utils/DisplayUtils.java

@@ -38,11 +38,15 @@ import android.graphics.drawable.PictureDrawable;
 import android.net.Uri;
 import android.os.Build;
 import android.support.annotation.ColorInt;
+import android.support.annotation.ColorRes;
+import android.support.annotation.DrawableRes;
 import android.support.annotation.NonNull;
 import android.support.design.widget.BottomNavigationView;
 import android.support.design.widget.Snackbar;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.content.ContextCompat;
+import android.support.v4.content.res.ResourcesCompat;
+import android.support.v4.graphics.drawable.DrawableCompat;
 import android.text.Spannable;
 import android.text.SpannableStringBuilder;
 import android.text.format.DateUtils;
@@ -677,4 +681,11 @@ public class DisplayUtils {
         return text.toString();
     }
 
+    public static Drawable tintDrawable(@DrawableRes int id, @ColorRes int color) {
+        Drawable drawable = ResourcesCompat.getDrawable(MainApp.getAppContext().getResources(), id, null);
+        drawable = DrawableCompat.wrap(drawable);
+        DrawableCompat.setTint(drawable, MainApp.getAppContext().getResources().getColor(color));
+        return drawable;
+    }
+
 }

src/main/java/com/owncloud/android/utils/MimeTypeUtil.java

@@ -20,13 +20,8 @@ package com.owncloud.android.utils;
 
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import android.support.annotation.ColorRes;
-import android.support.annotation.DrawableRes;
-import android.support.v4.content.res.ResourcesCompat;
-import android.support.v4.graphics.drawable.DrawableCompat;
 import android.webkit.MimeTypeMap;
 
-import com.owncloud.android.MainApp;
 import com.owncloud.android.R;
 import com.owncloud.android.datamodel.OCFile;
 
@@ -111,22 +106,13 @@ public class MimeTypeUtil {
             drawableId = R.drawable.ic_menu_archive;
         }
 
-        Drawable drawable = ResourcesCompat.getDrawable(MainApp.getAppContext().getResources(), drawableId, null);
-        drawable = DrawableCompat.wrap(drawable);
-        DrawableCompat.setTint(drawable, MainApp.getAppContext().getResources().getColor(R.color.primary));
-        return drawable;
+        return DisplayUtils.tintDrawable(drawableId, R.color.primary);
     }
 
     public static Drawable getDefaultFolderIcon() {
         return getFolderTypeIcon(false, false);
     }
 
-    public static Drawable tintDrawable(@DrawableRes int id, @ColorRes int color) {
-        Drawable drawable = ResourcesCompat.getDrawable(MainApp.getAppContext().getResources(), id, null);
-        drawable = DrawableCompat.wrap(drawable);
-        DrawableCompat.setTint(drawable, MainApp.getAppContext().getResources().getColor(color));
-        return drawable;
-    }
 
     /**
      * Returns a single MIME type of all the possible, by inspection of the file extension, and taking