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 */ 16 package com.android.settings.applications; 17 18 import android.content.Context; 19 import android.content.res.TypedArray; 20 import android.support.v4.content.res.TypedArrayUtils; 21 import android.support.v7.preference.Preference; 22 import android.support.v7.preference.PreferenceViewHolder; 23 import android.util.AttributeSet; 24 import android.view.ViewGroup.LayoutParams; 25 import 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 */ 31 public class SpacePreference extends Preference { 32 33 private int mHeight; 34 SpacePreference(Context context, AttributeSet attrs)35 public SpacePreference(Context context, AttributeSet attrs) { 36 this(context, attrs, TypedArrayUtils.getAttr(context, 37 android.support.v7.preference.R.attr.preferenceStyle, 38 android.R.attr.preferenceStyle)); 39 } 40 SpacePreference(Context context, AttributeSet attrs, int defStyleAttr)41 public SpacePreference(Context context, AttributeSet attrs, int defStyleAttr) { 42 this(context, attrs, defStyleAttr, 0); 43 } 44 SpacePreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)45 public SpacePreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 46 super(context, attrs, defStyleAttr, defStyleRes); 47 setLayoutResource(R.layout.space_preference); 48 49 final TypedArray a = context.obtainStyledAttributes(attrs, 50 new int[] { com.android.internal.R.attr.layout_height }, defStyleAttr, defStyleRes); 51 mHeight = a.getDimensionPixelSize(0, 0); 52 a.recycle(); 53 } 54 setHeight(int height)55 public void setHeight(int height) { 56 mHeight = height; 57 } 58 59 @Override onBindViewHolder(PreferenceViewHolder view)60 public void onBindViewHolder(PreferenceViewHolder view) { 61 super.onBindViewHolder(view); 62 63 LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, mHeight); 64 view.itemView.setLayoutParams(params); 65 } 66 67 } 68