Implement modifier keys settings UI.
Add four modifier keys and one reset button. Bug: 244535460 Test: local test Change-Id: I45822b0d8391022c17439dc25ab86fe022e9f43f
This commit is contained in:
danielwbhuang
@@ -0,0 +1,198 @@
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/*
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* Copyright (C) 2022 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.settings.inputmethod;
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import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.Context;
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import android.os.Bundle;
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import android.text.Spannable;
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import android.text.SpannableString;
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import android.text.style.ForegroundColorSpan;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.Window;
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import android.widget.AdapterView;
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import android.widget.BaseAdapter;
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import android.widget.Button;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.TextView;
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import androidx.fragment.app.DialogFragment;
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import androidx.preference.Preference;
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import com.android.settings.R;
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import com.android.settingslib.Utils;
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import java.util.ArrayList;
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import java.util.List;
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public class ModifierKeysPickerDialogFragment extends DialogFragment {
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private Preference mPreference;
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private String mKeyDefaultName;
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private Context mContext;
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public ModifierKeysPickerDialogFragment() {
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}
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public ModifierKeysPickerDialogFragment(Preference preference) {
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mPreference = preference;
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mKeyDefaultName = preference.getTitle().toString();
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}
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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super.onCreateDialog(savedInstanceState);
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mContext = getActivity();
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String[] modifierKeys = new String[] {
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mContext.getString(R.string.modifier_keys_caps_lock),
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mContext.getString(R.string.modifier_keys_ctrl),
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mContext.getString(R.string.modifier_keys_meta),
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mContext.getString(R.string.modifier_keys_alt)};
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View dialoglayout =
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LayoutInflater.from(mContext).inflate(R.layout.modifier_key_picker_dialog, null);
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AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(mContext);
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dialogBuilder.setView(dialoglayout);
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TextView summary = dialoglayout.findViewById(R.id.modifier_key_picker_summary);
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CharSequence summaryText = mContext.getString(
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R.string.modifier_keys_picker_summary, mKeyDefaultName);
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summary.setText(summaryText);
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List<String> list = new ArrayList<>();
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for (int i = 0; i < modifierKeys.length; i++) {
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list.add(modifierKeys[i]);
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}
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ModifierKeyAdapter adapter = new ModifierKeyAdapter(list);
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ListView listView = dialoglayout.findViewById(R.id.modifier_key_picker);
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listView.setAdapter(adapter);
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listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
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@Override
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public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
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adapter.setCurrentItem(i);
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adapter.setClick(true);
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adapter.notifyDataSetChanged();
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}
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});
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AlertDialog modifierKeyDialog = dialogBuilder.create();
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Button doneButton = dialoglayout.findViewById(R.id.modifier_key_done_button);
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doneButton.setOnClickListener(v -> {
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String selectedItem = list.get(adapter.getCurrentItem());
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Spannable itemSummary;
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if (selectedItem.equals(mKeyDefaultName)) {
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itemSummary = new SpannableString(
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mContext.getString(R.string.modifier_keys_default_summary));
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itemSummary.setSpan(
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new ForegroundColorSpan(getColorOfTextColorSecondary()),
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0, itemSummary.length(), 0);
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// TODO(b/252812993): remapModifierKey
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} else {
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itemSummary = new SpannableString(selectedItem);
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itemSummary.setSpan(
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new ForegroundColorSpan(getColorOfColorAccentPrimaryVariant()),
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0, itemSummary.length(), 0);
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}
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mPreference.setSummary(itemSummary);
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modifierKeyDialog.dismiss();
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});
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Button cancelButton = dialoglayout.findViewById(R.id.modifier_key_cancel_button);
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cancelButton.setOnClickListener(v -> {
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modifierKeyDialog.dismiss();
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});
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final Window window = modifierKeyDialog.getWindow();
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window.setType(TYPE_SYSTEM_DIALOG);
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return modifierKeyDialog;
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}
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class ModifierKeyAdapter extends BaseAdapter {
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private int mCurrentItem = 0;
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private boolean mIsClick = false;
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private List<String> mList;
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ModifierKeyAdapter(List<String> list) {
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this.mList = list;
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}
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@Override
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public int getCount() {
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return mList.size();
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}
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@Override
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public Object getItem(int i) {
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return mList.get(i);
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}
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@Override
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public long getItemId(int i) {
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return i;
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}
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@Override
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public View getView(int i, View view, ViewGroup viewGroup) {
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if (view == null) {
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view = LayoutInflater.from(mContext).inflate(R.layout.modifier_key_item, null);
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}
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TextView textView = view.findViewById(R.id.modifier_key_text);
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ImageView checkIcon = view.findViewById(R.id.modifier_key_check_icon);
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textView.setText(mList.get(i));
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if (mCurrentItem == i && mIsClick) {
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textView.setTextColor(getColorOfColorAccentPrimaryVariant());
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checkIcon.setImageAlpha(255);
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} else {
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textView.setTextColor(getColorOfTextColorPrimary());
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checkIcon.setImageAlpha(0);
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}
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return view;
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}
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public void setCurrentItem(int currentItem) {
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this.mCurrentItem = currentItem;
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}
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public int getCurrentItem() {
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return this.mCurrentItem;
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}
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public void setClick(boolean click) {
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this.mIsClick = click;
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}
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}
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private int getColorOfTextColorPrimary() {
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return Utils.getColorAttrDefaultColor(mContext, android.R.attr.textColorPrimary);
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}
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private int getColorOfTextColorSecondary() {
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return Utils.getColorAttrDefaultColor(mContext, android.R.attr.textColorSecondary);
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}
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private int getColorOfColorAccentPrimaryVariant() {
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return Utils.getColorAttrDefaultColor(
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mContext, com.android.internal.R.attr.colorAccentPrimaryVariant);
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}
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}
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