Add settings VR listener service.
Bug: 22855417 Bug: 26724891 - Adds a settings panel allowing users to toggle the enabled/disabled state of each VrListenerService component installed. - If disabled, a VrListenerService will not be bound from the framework, even when requested by a VR application. Change-Id: I606eb712c011d160b9fbdd3c0e8fd744c653ef07
This commit is contained in:
Ruben Brunk
183
src/com/android/settings/utils/ManagedServiceSettings.java
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183
src/com/android/settings/utils/ManagedServiceSettings.java
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/*
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* Copyright (C) 2014 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.utils;
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import android.annotation.Nullable;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.app.DialogFragment;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.pm.PackageItemInfo;
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import android.content.pm.PackageManager;
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import android.content.pm.ServiceInfo;
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import android.os.Bundle;
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import android.support.v14.preference.SwitchPreference;
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import android.support.v7.preference.Preference;
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import android.support.v7.preference.Preference.OnPreferenceChangeListener;
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import android.support.v7.preference.PreferenceScreen;
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import android.view.View;
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import android.widget.TextView;
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import com.android.settings.R;
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import com.android.settings.notification.EmptyTextSettings;
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import java.util.Collections;
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import java.util.List;
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public abstract class ManagedServiceSettings extends EmptyTextSettings {
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private final Config mConfig;
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private Context mContext;
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private PackageManager mPM;
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private ServiceListing mServiceListing;
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private TextView mEmpty;
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abstract protected Config getConfig();
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public ManagedServiceSettings() {
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mConfig = getConfig();
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}
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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mContext = getActivity();
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mPM = mContext.getPackageManager();
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mServiceListing = new ServiceListing(mContext, mConfig);
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mServiceListing.addCallback(new ServiceListing.Callback() {
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@Override
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public void onServicesReloaded(List<ServiceInfo> services) {
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updateList(services);
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}
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});
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setPreferenceScreen(getPreferenceManager().createPreferenceScreen(mContext));
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}
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@Override
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public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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setEmptyText(mConfig.emptyText);
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}
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@Override
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public void onResume() {
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super.onResume();
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mServiceListing.reload();
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mServiceListing.setListening(true);
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}
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@Override
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public void onPause() {
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super.onPause();
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mServiceListing.setListening(false);
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}
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private void updateList(List<ServiceInfo> services) {
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final PreferenceScreen screen = getPreferenceScreen();
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screen.removeAll();
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Collections.sort(services, new PackageItemInfo.DisplayNameComparator(mPM));
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for (ServiceInfo service : services) {
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final ComponentName cn = new ComponentName(service.packageName, service.name);
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final String title = service.loadLabel(mPM).toString();
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final SwitchPreference pref = new SwitchPreference(getPrefContext());
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pref.setPersistent(false);
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pref.setIcon(service.loadIcon(mPM));
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pref.setTitle(title);
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pref.setChecked(mServiceListing.isEnabled(cn));
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pref.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
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@Override
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public boolean onPreferenceChange(Preference preference, Object newValue) {
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final boolean enable = (boolean) newValue;
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return setEnabled(cn, title, enable);
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}
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});
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screen.addPreference(pref);
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}
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}
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private boolean setEnabled(ComponentName service, String title, boolean enable) {
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if (!enable) {
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// the simple version: disabling
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mServiceListing.setEnabled(service, false);
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return true;
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} else {
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if (mServiceListing.isEnabled(service)) {
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return true; // already enabled
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}
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// show a scary dialog
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new ScaryWarningDialogFragment()
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.setServiceInfo(service, title)
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.show(getFragmentManager(), "dialog");
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return false;
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}
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}
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public class ScaryWarningDialogFragment extends DialogFragment {
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static final String KEY_COMPONENT = "c";
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static final String KEY_LABEL = "l";
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public ScaryWarningDialogFragment setServiceInfo(ComponentName cn, String label) {
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Bundle args = new Bundle();
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args.putString(KEY_COMPONENT, cn.flattenToString());
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args.putString(KEY_LABEL, label);
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setArguments(args);
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return this;
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}
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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final Bundle args = getArguments();
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final String label = args.getString(KEY_LABEL);
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final ComponentName cn = ComponentName.unflattenFromString(args
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.getString(KEY_COMPONENT));
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final String title = getResources().getString(mConfig.warningDialogTitle, label);
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final String summary = getResources().getString(mConfig.warningDialogSummary, label);
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return new AlertDialog.Builder(mContext)
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.setMessage(summary)
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.setTitle(title)
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.setCancelable(true)
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.setPositiveButton(R.string.allow,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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mServiceListing.setEnabled(cn, true);
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}
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})
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.setNegativeButton(R.string.deny,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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// pass
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}
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})
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.create();
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}
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}
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public static class Config {
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public String tag;
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public String setting;
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public String intentAction;
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public String permission;
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public String noun;
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public int warningDialogTitle;
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public int warningDialogSummary;
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public int emptyText;
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}
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}
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