fix: 首次提交
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/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settingslib.widget;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import androidx.annotation.IntDef;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceViewHolder;
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import com.android.settingslib.widget.preference.twotarget.R;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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/**
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* The Base preference with two target areas divided by a vertical divider
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*/
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public class TwoTargetPreference extends Preference {
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@IntDef({ICON_SIZE_DEFAULT, ICON_SIZE_MEDIUM, ICON_SIZE_SMALL})
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@Retention(RetentionPolicy.SOURCE)
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public @interface IconSize {
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}
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public static final int ICON_SIZE_DEFAULT = 0;
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public static final int ICON_SIZE_MEDIUM = 1;
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public static final int ICON_SIZE_SMALL = 2;
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@IconSize
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private int mIconSize;
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private int mSmallIconSize;
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private int mMediumIconSize;
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public TwoTargetPreference(Context context, AttributeSet attrs,
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int defStyleAttr, int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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init(context);
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}
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public TwoTargetPreference(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init(context);
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}
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public TwoTargetPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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init(context);
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}
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public TwoTargetPreference(Context context) {
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super(context);
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init(context);
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}
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private void init(Context context) {
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setLayoutResource(R.layout.preference_two_target);
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mSmallIconSize = context.getResources().getDimensionPixelSize(
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R.dimen.two_target_pref_small_icon_size);
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mMediumIconSize = context.getResources().getDimensionPixelSize(
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R.dimen.two_target_pref_medium_icon_size);
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final int secondTargetResId = getSecondTargetResId();
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if (secondTargetResId != 0) {
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setWidgetLayoutResource(secondTargetResId);
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}
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}
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public void setIconSize(@IconSize int iconSize) {
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mIconSize = iconSize;
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}
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@Override
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public void onBindViewHolder(PreferenceViewHolder holder) {
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super.onBindViewHolder(holder);
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final ImageView icon = holder.itemView.findViewById(android.R.id.icon);
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switch (mIconSize) {
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case ICON_SIZE_SMALL:
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icon.setLayoutParams(new LinearLayout.LayoutParams(mSmallIconSize, mSmallIconSize));
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break;
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case ICON_SIZE_MEDIUM:
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icon.setLayoutParams(
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new LinearLayout.LayoutParams(mMediumIconSize, mMediumIconSize));
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break;
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}
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final View divider = holder.findViewById(R.id.two_target_divider);
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final View widgetFrame = holder.findViewById(android.R.id.widget_frame);
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final boolean shouldHideSecondTarget = shouldHideSecondTarget();
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if (divider != null) {
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divider.setVisibility(shouldHideSecondTarget ? View.GONE : View.VISIBLE);
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}
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if (widgetFrame != null) {
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widgetFrame.setVisibility(shouldHideSecondTarget ? View.GONE : View.VISIBLE);
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}
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}
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protected boolean shouldHideSecondTarget() {
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return getSecondTargetResId() == 0;
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}
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protected int getSecondTargetResId() {
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return 0;
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}
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}
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