Remove unused FixedDrawerLayout

OpenKeychain/src/main/java/android/support/v4/widget/FixedDrawerLayout.java

@@ -1,49 +0,0 @@
-/*
- * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.support.v4.widget;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.Gravity;
-import android.view.View;
-
-/**
- * Fix for NullPointerException at android.support.v4.widget.DrawerLayout.isContentView(DrawerLayout.java:840)
- * <p/>
- * http://stackoverflow.com/a/18107942
- */
-public class FixedDrawerLayout extends DrawerLayout {
-    public FixedDrawerLayout(Context context) {
-        super(context);
-    }
-
-    public FixedDrawerLayout(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public FixedDrawerLayout(Context context, AttributeSet attrs, int defStyle) {
-        super(context, attrs, defStyle);
-    }
-
-    @Override
-    boolean isContentView(View child) {
-        if (child == null) {
-            return false;
-        }
-        return ((LayoutParams) child.getLayoutParams()).gravity == Gravity.NO_GRAVITY;
-    }
-}