Adding support for prefenrece search in QuickStep

Bug: 62292864
Change-Id: Ic112626ca9c5942c91ced4ab42e64cbce4657701
This commit is contained in:
Sunny Goyal
2017-11-02 18:55:44 -07:00
parent 016d7e93c1
commit 3fbca15555
8 changed files with 380 additions and 1 deletions
@@ -31,11 +31,17 @@ import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.provider.Settings;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Adapter;
import com.android.launcher3.graphics.IconShapeOverride;
import com.android.launcher3.notification.NotificationListener;
import com.android.launcher3.util.SettingsObserver;
import com.android.launcher3.views.ButtonPreference;
import com.android.launcher3.views.HighlightableListView;
/**
* Settings activity for Launcher. Currently implements the following setting: Allow rotation
@@ -48,6 +54,10 @@ public class SettingsActivity extends Activity {
/** Hidden field Settings.Secure.ENABLED_NOTIFICATION_LISTENERS */
private static final String NOTIFICATION_ENABLED_LISTENERS = "enabled_notification_listeners";
private static final String EXTRA_FRAGMENT_ARG_KEY = ":settings:fragment_args_key";
private static final int DELAY_HIGHLIGHT_DURATION_MILLIS = 600;
private static final String SAVE_HIGHLIGHTED_KEY = "android:preference_highlighted";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@@ -55,11 +65,15 @@ public class SettingsActivity extends Activity {
if (savedInstanceState == null) {
// Display the fragment as the main content.
getFragmentManager().beginTransaction()
.replace(android.R.id.content, new LauncherSettingsFragment())
.replace(android.R.id.content, getNewFragment())
.commit();
}
}
protected PreferenceFragment getNewFragment() {
return new LauncherSettingsFragment();
}
/**
* This fragment shows the launcher preferences.
*/
@@ -67,9 +81,22 @@ public class SettingsActivity extends Activity {
private IconBadgingObserver mIconBadgingObserver;
private String mPreferenceKey;
private boolean mPreferenceHighlighted = false;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.launcher_preference, container, false);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (savedInstanceState != null) {
mPreferenceHighlighted = savedInstanceState.getBoolean(SAVE_HIGHLIGHTED_KEY);
}
getPreferenceManager().setSharedPreferencesName(LauncherFiles.SHARED_PREFERENCES_KEY);
addPreferencesFromResource(R.xml.launcher_preferences);
@@ -100,6 +127,43 @@ public class SettingsActivity extends Activity {
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean(SAVE_HIGHLIGHTED_KEY, mPreferenceHighlighted);
}
@Override
public void onResume() {
super.onResume();
Intent intent = getActivity().getIntent();
mPreferenceKey = intent.getStringExtra(EXTRA_FRAGMENT_ARG_KEY);
if (isAdded() && !mPreferenceHighlighted && !TextUtils.isEmpty(mPreferenceKey)) {
getView().postDelayed(this::highlightPreference, DELAY_HIGHLIGHT_DURATION_MILLIS);
}
}
private void highlightPreference() {
HighlightableListView list = getView().findViewById(android.R.id.list);
Preference pref = findPreference(mPreferenceKey);
Adapter adapter = list.getAdapter();
if (adapter == null) {
return;
}
// Find the position
int position = -1;
for (int i = adapter.getCount() - 1; i >= 0; i--) {
if (pref == adapter.getItem(i)) {
position = i;
break;
}
}
list.highlightPosition(position);
mPreferenceHighlighted = true;
}
@Override
public void onDestroy() {
if (mIconBadgingObserver != null) {
@@ -0,0 +1,138 @@
/*
* Copyright (C) 2018 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.launcher3.views;
import android.animation.ArgbEvaluator;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.support.v4.graphics.ColorUtils;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.HeaderViewListAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import com.android.launcher3.R;
import com.android.launcher3.util.Themes;
import java.util.ArrayList;
/**
* Extension of list view with support for element highlighting.
*/
public class HighlightableListView extends ListView {
private int mPosHighlight = -1;
private boolean mColorAnimated = false;
public HighlightableListView(Context context) {
super(context);
}
public HighlightableListView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public HighlightableListView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@Override
public void setAdapter(ListAdapter adapter) {
super.setAdapter(new HighLightAdapter(adapter));
}
public void highlightPosition(int pos) {
if (mPosHighlight == pos) {
return;
}
mColorAnimated = false;
mPosHighlight = pos;
setSelection(mPosHighlight);
int start = getFirstVisiblePosition();
int end = getLastVisiblePosition();
if (start <= mPosHighlight && mPosHighlight <= end) {
highlightView(getChildAt(mPosHighlight - start));
}
}
private void highlightView(View view) {
if (Boolean.TRUE.equals(view.getTag(R.id.view_highlighted))) {
// already highlighted
} else {
view.setTag(R.id.view_highlighted, true);
view.setTag(R.id.view_unhighlight_background, view.getBackground());
view.setBackground(getHighlightBackground());
view.postDelayed(() -> {
mPosHighlight = -1;
unhighlightView(view);
}, 15000L);
}
}
private void unhighlightView(View view) {
if (Boolean.TRUE.equals(view.getTag(R.id.view_highlighted))) {
Object background = view.getTag(R.id.view_unhighlight_background);
if (background instanceof Drawable) {
view.setBackground((Drawable) background);
}
view.setTag(R.id.view_unhighlight_background, null);
view.setTag(R.id.view_highlighted, false);
}
}
private class HighLightAdapter extends HeaderViewListAdapter {
public HighLightAdapter(ListAdapter adapter) {
super(new ArrayList<>(), new ArrayList<>(), adapter);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view = super.getView(position, convertView, parent);
if (position == mPosHighlight) {
highlightView(view);
} else {
unhighlightView(view);
}
return view;
}
}
private ColorDrawable getHighlightBackground() {
int color = ColorUtils.setAlphaComponent(Themes.getColorAccent(getContext()), 26);
if (mColorAnimated) {
return new ColorDrawable(color);
}
mColorAnimated = true;
ColorDrawable bg = new ColorDrawable(Color.WHITE);
ObjectAnimator anim = ObjectAnimator.ofInt(bg, "color", Color.WHITE, color);
anim.setEvaluator(new ArgbEvaluator());
anim.setDuration(200L);
anim.setRepeatMode(ValueAnimator.REVERSE);
anim.setRepeatCount(4);
anim.start();
return bg;
}
}