android10_Launcher3_original
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bryan.xiang
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/**
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* Copyright (c) 2018 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.launcher3;
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import static com.android.launcher3.PinnedAppListViewModel.PINNED_APPS_KEY;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.app.AlertDialog;
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import android.app.Application;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.content.res.Configuration;
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import android.os.Bundle;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewAnimationUtils;
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import android.view.inputmethod.InputMethodManager;
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import android.widget.GridView;
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import android.widget.ImageButton;
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import android.widget.PopupMenu;
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import androidx.fragment.app.FragmentActivity;
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import androidx.fragment.app.FragmentManager;
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import androidx.lifecycle.ViewModelProvider;
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import androidx.lifecycle.ViewModelProvider.AndroidViewModelFactory;
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import com.google.android.material.circularreveal.cardview.CircularRevealCardView;
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import com.google.android.material.floatingactionbutton.FloatingActionButton;
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import java.util.HashSet;
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import java.util.Set;
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/**
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* Secondary launcher activity. It's launch mode is configured as "singleTop" to allow showing on
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* multiple displays and to ensure a single instance per each display.
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*/
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public class SecondaryDisplayLauncher extends FragmentActivity implements AppPickedCallback,
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PopupMenu.OnMenuItemClickListener {
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private AppListAdapter mAppListAdapter;
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private AppListAdapter mPinnedAppListAdapter;
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private CircularRevealCardView mAppDrawerView;
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private FloatingActionButton mFab;
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private boolean mAppDrawerShown;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.secondary_display_launcher);
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mAppDrawerView = findViewById(R.id.FloatingSheet);
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mFab = findViewById(R.id.FloatingActionButton);
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mFab.setOnClickListener((View v) -> {
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showAppDrawer(true);
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});
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final ViewModelProvider viewModelProvider = new ViewModelProvider(getViewModelStore(),
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new AndroidViewModelFactory((Application) getApplicationContext()));
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mPinnedAppListAdapter = new AppListAdapter(this);
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final GridView pinnedAppGridView = findViewById(R.id.pinned_app_grid);
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pinnedAppGridView.setAdapter(mPinnedAppListAdapter);
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pinnedAppGridView.setOnItemClickListener((adapterView, view, position, id) -> {
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final AppEntry entry = mPinnedAppListAdapter.getItem(position);
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launch(entry.getLaunchIntent());
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});
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final PinnedAppListViewModel pinnedAppListViewModel =
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viewModelProvider.get(PinnedAppListViewModel.class);
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pinnedAppListViewModel.getPinnedAppList().observe(this, data -> {
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mPinnedAppListAdapter.setData(data);
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});
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mAppListAdapter = new AppListAdapter(this);
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final GridView appGridView = findViewById(R.id.app_grid);
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appGridView.setAdapter(mAppListAdapter);
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appGridView.setOnItemClickListener((adapterView, view, position, id) -> {
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final AppEntry entry = mAppListAdapter.getItem(position);
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launch(entry.getLaunchIntent());
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});
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final AppListViewModel appListViewModel = viewModelProvider.get(AppListViewModel.class);
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appListViewModel.getAppList().observe(this, data -> {
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mAppListAdapter.setData(data);
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});
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ImageButton optionsButton = findViewById(R.id.OptionsButton);
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optionsButton.setOnClickListener((View v) -> {
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PopupMenu popup = new PopupMenu(this,v);
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popup.setOnMenuItemClickListener(this);
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MenuInflater inflater = popup.getMenuInflater();
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inflater.inflate(R.menu.context_menu, popup.getMenu());
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popup.show();
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});
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}
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@Override
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public boolean onMenuItemClick(MenuItem item) {
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// Respond to picking one of the popup menu items.
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final int id = item.getItemId();
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if (id == R.id.add_app_shortcut) {
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FragmentManager fm = getSupportFragmentManager();
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PinnedAppPickerDialog pickerDialogFragment =
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PinnedAppPickerDialog.newInstance(mAppListAdapter, this);
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pickerDialogFragment.show(fm, "fragment_app_picker");
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return true;
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} else if (id == R.id.set_wallpaper) {
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Intent intent = new Intent(Intent.ACTION_SET_WALLPAPER);
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startActivity(Intent.createChooser(intent, getString(R.string.set_wallpaper)));
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return true;
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}
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return true;
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}
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@Override
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public void onConfigurationChanged(Configuration newConfig) {
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super.onConfigurationChanged(newConfig);
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showAppDrawer(false);
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}
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public void onBackPressed() {
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// If the app drawer was shown - hide it. Otherwise, not doing anything since we don't want
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// to close the launcher.
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showAppDrawer(false);
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}
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public void onNewIntent(Intent intent) {
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super.onNewIntent(intent);
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if (Intent.ACTION_MAIN.equals(intent.getAction())) {
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// Hide keyboard.
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final View v = getWindow().peekDecorView();
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if (v != null && v.getWindowToken() != null) {
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getSystemService(InputMethodManager.class).hideSoftInputFromWindow(
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v.getWindowToken(), 0);
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}
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}
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// A new intent will bring the launcher to top. Hide the app drawer to reset the state.
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showAppDrawer(false);
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}
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void launch(Intent launchIntent) {
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launchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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try {
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startActivity(launchIntent);
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} catch (Exception e) {
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final AlertDialog.Builder builder =
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new AlertDialog.Builder(this, android.R.style.Theme_Material_Dialog_Alert);
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builder.setTitle(R.string.couldnt_launch)
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.setMessage(e.getLocalizedMessage())
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.setIcon(android.R.drawable.ic_dialog_alert)
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.show();
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}
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}
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/**
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* Store the picked app to persistent pinned list and update the loader.
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*/
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@Override
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public void onAppPicked(AppEntry appEntry) {
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final SharedPreferences sp = getSharedPreferences(PINNED_APPS_KEY, 0);
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Set<String> pinnedApps = sp.getStringSet(PINNED_APPS_KEY, null);
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if (pinnedApps == null) {
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pinnedApps = new HashSet<String>();
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} else {
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// Always need to create a new object to make sure that the changes are persisted.
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pinnedApps = new HashSet<String>(pinnedApps);
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}
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pinnedApps.add(appEntry.getComponentName().flattenToString());
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final SharedPreferences.Editor editor = sp.edit();
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editor.putStringSet(PINNED_APPS_KEY, pinnedApps);
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editor.apply();
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}
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/**
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* Show/hide app drawer card with animation.
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*/
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private void showAppDrawer(boolean show) {
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if (show == mAppDrawerShown) {
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return;
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}
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final Animator animator = revealAnimator(mAppDrawerView, show);
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if (show) {
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mAppDrawerShown = true;
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mAppDrawerView.setVisibility(View.VISIBLE);
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mFab.setVisibility(View.INVISIBLE);
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} else {
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mAppDrawerShown = false;
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animator.addListener(new AnimatorListenerAdapter() {
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@Override
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public void onAnimationEnd(Animator animation) {
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super.onAnimationEnd(animation);
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mAppDrawerView.setVisibility(View.INVISIBLE);
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mFab.setVisibility(View.VISIBLE);
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}
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});
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}
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animator.start();
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}
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/**
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* Create reveal/hide animator for app list card.
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*/
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private Animator revealAnimator(View view, boolean open) {
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final int radius = (int) Math.hypot((double) view.getWidth(), (double) view.getHeight());
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return ViewAnimationUtils.createCircularReveal(view, view.getRight(), view.getBottom(),
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open ? 0 : radius, open ? radius : 0);
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}
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}
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