| /* |
| * Copyright (C) 2015 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; |
| |
| import static com.android.launcher3.states.RotationHelper.ALLOW_ROTATION_PREFERENCE_KEY; |
| import static com.android.launcher3.states.RotationHelper.getAllowRotationDefaultValue; |
| |
| import android.annotation.TargetApi; |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.app.DialogFragment; |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.preference.ListPreference; |
| import android.preference.Preference; |
| import android.preference.PreferenceFragment; |
| import android.preference.PreferenceScreen; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.view.View; |
| import android.widget.Adapter; |
| import android.widget.ListView; |
| |
| import com.android.launcher3.graphics.IconShapeOverride; |
| import com.android.launcher3.notification.NotificationListener; |
| import com.android.launcher3.util.ListViewHighlighter; |
| import com.android.launcher3.util.SettingsObserver; |
| import com.android.launcher3.views.ButtonPreference; |
| |
| import java.util.Objects; |
| |
| /** |
| * Settings activity for Launcher. Currently implements the following setting: Allow rotation |
| */ |
| public class SettingsActivity extends Activity |
| implements PreferenceFragment.OnPreferenceStartFragmentCallback { |
| |
| private static final String ICON_BADGING_PREFERENCE_KEY = "pref_icon_badging"; |
| /** Hidden field Settings.Secure.NOTIFICATION_BADGING */ |
| public static final String NOTIFICATION_BADGING = "notification_badging"; |
| /** 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 String EXTRA_SHOW_FRAGMENT_ARGS = ":settings:show_fragment_args"; |
| 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); |
| |
| if (savedInstanceState == null) { |
| Fragment f = Fragment.instantiate(this, getString(R.string.settings_fragment_name)); |
| // Display the fragment as the main content. |
| getFragmentManager().beginTransaction() |
| .replace(android.R.id.content, f) |
| .commit(); |
| } |
| } |
| |
| protected PreferenceFragment getNewFragment() { |
| return new LauncherSettingsFragment(); |
| } |
| |
| @Override |
| public boolean onPreferenceStartFragment( |
| PreferenceFragment preferenceFragment, Preference pref) { |
| if (getFragmentManager().isStateSaved()) { |
| // Sometimes onClick can come after onPause because of being posted on the handler. |
| // Skip starting new fragments in that case. |
| return false; |
| } |
| Fragment f = Fragment.instantiate(this, pref.getFragment(), pref.getExtras()); |
| if (f instanceof DialogFragment) { |
| ((DialogFragment) f).show(getFragmentManager(), pref.getKey()); |
| } else { |
| getFragmentManager() |
| .beginTransaction() |
| .replace(android.R.id.content, f) |
| .addToBackStack(pref.getKey()) |
| .commit(); |
| } |
| return true; |
| } |
| |
| /** |
| * This fragment shows the launcher preferences. |
| */ |
| public static class LauncherSettingsFragment extends PreferenceFragment { |
| |
| private IconBadgingObserver mIconBadgingObserver; |
| |
| private String mPreferenceKey; |
| private boolean mPreferenceHighlighted = 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); |
| |
| ContentResolver resolver = getActivity().getContentResolver(); |
| |
| ButtonPreference iconBadgingPref = |
| (ButtonPreference) findPreference(ICON_BADGING_PREFERENCE_KEY); |
| if (!Utilities.ATLEAST_OREO) { |
| getPreferenceScreen().removePreference( |
| findPreference(SessionCommitReceiver.ADD_ICON_PREFERENCE_KEY)); |
| getPreferenceScreen().removePreference(iconBadgingPref); |
| } else if (!getResources().getBoolean(R.bool.notification_badging_enabled)) { |
| getPreferenceScreen().removePreference(iconBadgingPref); |
| } else { |
| // Listen to system notification badge settings while this UI is active. |
| mIconBadgingObserver = new IconBadgingObserver( |
| iconBadgingPref, resolver, getFragmentManager()); |
| mIconBadgingObserver.register(NOTIFICATION_BADGING, NOTIFICATION_ENABLED_LISTENERS); |
| } |
| |
| Preference iconShapeOverride = findPreference(IconShapeOverride.KEY_PREFERENCE); |
| if (iconShapeOverride != null) { |
| if (IconShapeOverride.isSupported(getActivity())) { |
| IconShapeOverride.handlePreferenceUi((ListPreference) iconShapeOverride); |
| } else { |
| getPreferenceScreen().removePreference(iconShapeOverride); |
| } |
| } |
| |
| // Setup allow rotation preference |
| Preference rotationPref = findPreference(ALLOW_ROTATION_PREFERENCE_KEY); |
| if (getResources().getBoolean(R.bool.allow_rotation)) { |
| // Launcher supports rotation by default. No need to show this setting. |
| getPreferenceScreen().removePreference(rotationPref); |
| } else { |
| // Initialize the UI once |
| rotationPref.setDefaultValue(getAllowRotationDefaultValue()); |
| } |
| } |
| |
| @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() { |
| Preference pref = findPreference(mPreferenceKey); |
| if (pref == null || getPreferenceScreen() == null) { |
| return; |
| } |
| PreferenceScreen screen = getPreferenceScreen(); |
| if (Utilities.ATLEAST_OREO) { |
| screen = selectPreferenceRecursive(pref, screen); |
| } |
| if (screen == null) { |
| return; |
| } |
| |
| View root = screen.getDialog() != null |
| ? screen.getDialog().getWindow().getDecorView() : getView(); |
| ListView list = root.findViewById(android.R.id.list); |
| if (list == null || list.getAdapter() == null) { |
| return; |
| } |
| Adapter adapter = list.getAdapter(); |
| |
| // Find the position |
| int position = -1; |
| for (int i = adapter.getCount() - 1; i >= 0; i--) { |
| if (pref == adapter.getItem(i)) { |
| position = i; |
| break; |
| } |
| } |
| new ListViewHighlighter(list, position); |
| mPreferenceHighlighted = true; |
| } |
| |
| @Override |
| public void onDestroy() { |
| if (mIconBadgingObserver != null) { |
| mIconBadgingObserver.unregister(); |
| mIconBadgingObserver = null; |
| } |
| super.onDestroy(); |
| } |
| |
| @TargetApi(Build.VERSION_CODES.O) |
| private PreferenceScreen selectPreferenceRecursive( |
| Preference pref, PreferenceScreen topParent) { |
| if (!(pref.getParent() instanceof PreferenceScreen)) { |
| return null; |
| } |
| |
| PreferenceScreen parent = (PreferenceScreen) pref.getParent(); |
| if (Objects.equals(parent.getKey(), topParent.getKey())) { |
| return parent; |
| } else if (selectPreferenceRecursive(parent, topParent) != null) { |
| ((PreferenceScreen) parent.getParent()) |
| .onItemClick(null, null, parent.getOrder(), 0); |
| return parent; |
| } else { |
| return null; |
| } |
| } |
| } |
| |
| /** |
| * Content observer which listens for system badging setting changes, |
| * and updates the launcher badging setting subtext accordingly. |
| */ |
| private static class IconBadgingObserver extends SettingsObserver.Secure { |
| |
| private final ButtonPreference mBadgingPref; |
| private final ContentResolver mResolver; |
| private final FragmentManager mFragmentManager; |
| |
| public IconBadgingObserver(ButtonPreference badgingPref, ContentResolver resolver, |
| FragmentManager fragmentManager) { |
| super(resolver); |
| mBadgingPref = badgingPref; |
| mResolver = resolver; |
| mFragmentManager = fragmentManager; |
| } |
| |
| @Override |
| public void onSettingChanged(boolean enabled) { |
| int summary = enabled ? R.string.icon_badging_desc_on : R.string.icon_badging_desc_off; |
| |
| boolean serviceEnabled = true; |
| if (enabled) { |
| // Check if the listener is enabled or not. |
| String enabledListeners = |
| Settings.Secure.getString(mResolver, NOTIFICATION_ENABLED_LISTENERS); |
| ComponentName myListener = |
| new ComponentName(mBadgingPref.getContext(), NotificationListener.class); |
| serviceEnabled = enabledListeners != null && |
| (enabledListeners.contains(myListener.flattenToString()) || |
| enabledListeners.contains(myListener.flattenToShortString())); |
| if (!serviceEnabled) { |
| summary = R.string.title_missing_notification_access; |
| } |
| } |
| mBadgingPref.setWidgetFrameVisible(!serviceEnabled); |
| mBadgingPref.setFragment( |
| serviceEnabled ? null : NotificationAccessConfirmation.class.getName()); |
| mBadgingPref.setSummary(summary); |
| |
| } |
| } |
| |
| public static class NotificationAccessConfirmation |
| extends DialogFragment implements DialogInterface.OnClickListener { |
| |
| @Override |
| public Dialog onCreateDialog(Bundle savedInstanceState) { |
| final Context context = getActivity(); |
| String msg = context.getString(R.string.msg_missing_notification_access, |
| context.getString(R.string.derived_app_name)); |
| return new AlertDialog.Builder(context) |
| .setTitle(R.string.title_missing_notification_access) |
| .setMessage(msg) |
| .setNegativeButton(android.R.string.cancel, null) |
| .setPositiveButton(R.string.title_change_settings, this) |
| .create(); |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialogInterface, int i) { |
| ComponentName cn = new ComponentName(getActivity(), NotificationListener.class); |
| Bundle showFragmentArgs = new Bundle(); |
| showFragmentArgs.putString(EXTRA_FRAGMENT_ARG_KEY, cn.flattenToString()); |
| |
| Intent intent = new Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS) |
| .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK) |
| .putExtra(EXTRA_FRAGMENT_ARG_KEY, cn.flattenToString()) |
| .putExtra(EXTRA_SHOW_FRAGMENT_ARGS, showFragmentArgs); |
| getActivity().startActivity(intent); |
| } |
| } |
| } |