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/*
* Copyright (C) 2022 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.settingslib.widget;
import android.content.Context;
import android.os.Build;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
/**
* An ArrayAdapter which was used by Spinner with settings style.
* @param <T> the data type to be loaded.
*/
public class SettingsSpinnerAdapter<T> extends ArrayAdapter<T> {
private static final int DEFAULT_RESOURCE = R.layout.settings_spinner_view;
private static final int DFAULT_DROPDOWN_RESOURCE = R.layout.settings_spinner_dropdown_view;
private final LayoutInflater mDefaultInflater;
/**
* Constructs a new SettingsSpinnerAdapter with the given context.
* And it customizes title bar with a settings style.
*
* @param context The Context the view is running in, through which it can
* access the current theme, resources, etc.
*/
public SettingsSpinnerAdapter(Context context) {
super(context, getDefaultResource());
setDropDownViewResource(getDropdownResource());
mDefaultInflater = LayoutInflater.from(context);
}
/**
* In overridded {@link #getView(int, View, ViewGroup)}, use this method to get default view.
*/
public View getDefaultView(int position, View convertView, ViewGroup parent) {
return mDefaultInflater.inflate(getDefaultResource(), parent, false /* attachToRoot */);
}
/**
* In overridded {@link #getDropDownView(int, View, ViewGroup)}, use this method to get default
* drop down view.
*/
public View getDefaultDropDownView(int position, View convertView, ViewGroup parent) {
return mDefaultInflater.inflate(getDropdownResource(), parent, false /* attachToRoot */);
}
private static int getDefaultResource() {
return (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU)
? DEFAULT_RESOURCE : android.R.layout.simple_spinner_dropdown_item;
}
private static int getDropdownResource() {
return (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU)
? DFAULT_DROPDOWN_RESOURCE : android.R.layout.simple_spinner_dropdown_item;
}
}
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