| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * 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 com.android.car.settings.common; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.graphics.drawable.Drawable; |
| import android.text.TextUtils; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import androidx.annotation.IdRes; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceViewHolder; |
| |
| import com.android.car.settings.R; |
| |
| /** |
| * {@link Preference} for displaying information in the header of a PreferenceScreen. |
| * Supports displaying an icon, title, and summary (description). |
| */ |
| public class EntityHeaderPreference extends Preference { |
| |
| public EntityHeaderPreference(Context context, AttributeSet attrs, |
| int defStyleAttr, int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| init(context, attrs); |
| } |
| |
| public EntityHeaderPreference(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| init(context, attrs); |
| } |
| |
| public EntityHeaderPreference(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| init(context, attrs); |
| } |
| |
| public EntityHeaderPreference(Context context) { |
| super(context); |
| init(context, /* attrs= */ null); |
| } |
| |
| private void init(Context context, AttributeSet attrs) { |
| setLayoutResource(R.layout.entity_header_preference); |
| TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Preference); |
| setSelectable(a.getBoolean(R.styleable.Preference_selectable, /* defValue= */ false)); |
| } |
| |
| @Override |
| public void onBindViewHolder(PreferenceViewHolder holder) { |
| super.onBindViewHolder(holder); |
| View itemView = holder.itemView; |
| setIconView(itemView, R.id.entity_header_icon, getIcon()); |
| setTextView(itemView, R.id.entity_header_title, getTitle()); |
| setTextView(itemView, R.id.entity_header_summary, getSummary()); |
| } |
| |
| private void setTextView(View view, @IdRes int id, CharSequence text) { |
| TextView textView = view.findViewById(id); |
| if (textView != null) { |
| textView.setText(text); |
| textView.setVisibility(TextUtils.isEmpty(text) ? View.GONE : View.VISIBLE); |
| } |
| } |
| |
| private void setIconView(View view, @IdRes int id, Drawable icon) { |
| ImageView iconView = view.findViewById(id); |
| if (iconView != null) { |
| iconView.setImageDrawable(icon); |
| iconView.setVisibility(icon == null ? View.GONE : View.VISIBLE); |
| } |
| } |
| } |