1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.settings.applications;
17
18import android.content.Context;
19import android.content.res.TypedArray;
20import android.support.v7.preference.Preference;
21import android.support.v7.preference.PreferenceViewHolder;
22import android.util.AttributeSet;
23import android.view.ViewGroup.LayoutParams;
24
25import com.android.settings.R;
26
27/**
28 * A blank preference that has a specified height by android:layout_height.  It can be used
29 * to fine tune screens that combine custom layouts and standard preferences.
30 */
31public class SpacePreference extends Preference {
32
33    private int mHeight;
34
35    public SpacePreference(Context context, AttributeSet attrs) {
36        this(context, attrs, com.android.internal.R.attr.preferenceStyle);
37    }
38
39    public SpacePreference(Context context, AttributeSet attrs, int defStyleAttr) {
40        this(context, attrs, defStyleAttr, 0);
41    }
42
43    public SpacePreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
44        super(context, attrs, defStyleAttr, defStyleRes);
45        setLayoutResource(R.layout.space_preference);
46
47        final TypedArray a = context.obtainStyledAttributes(attrs,
48                new int[] { com.android.internal.R.attr.layout_height }, defStyleAttr, defStyleRes);
49        mHeight = a.getDimensionPixelSize(0, 0);
50    }
51
52    public void setHeight(int height) {
53        mHeight = height;
54    }
55
56    @Override
57    public void onBindViewHolder(PreferenceViewHolder view) {
58        super.onBindViewHolder(view);
59
60        LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, mHeight);
61        view.itemView.setLayoutParams(params);
62    }
63
64}
65