daef2e2b06
Per UX request, convert more CheckBoxes to Switches Change-Id: I04712bce4c0a54516d9ecedbb554f403fd6dd9e7
86 lines
2.9 KiB
Java
86 lines
2.9 KiB
Java
/*
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* Copyright (C) 2012 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;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.net.nsd.NsdManager;
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import android.preference.Preference;
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import android.preference.SwitchPreference;
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/**
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* NsdEnabler is a helper to manage network service discovery on/off checkbox state.
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*/
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public class NsdEnabler implements Preference.OnPreferenceChangeListener {
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private final Context mContext;
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private final SwitchPreference mSwitchPreference;
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private final IntentFilter mIntentFilter;
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private NsdManager mNsdManager;
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private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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String action = intent.getAction();
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if (NsdManager.ACTION_NSD_STATE_CHANGED.equals(action)) {
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handleNsdStateChanged(intent.getIntExtra(NsdManager.EXTRA_NSD_STATE,
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NsdManager.NSD_STATE_DISABLED));
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}
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}
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};
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public NsdEnabler(Context context, SwitchPreference pref) {
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mContext = context;
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mSwitchPreference = pref;
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mNsdManager = (NsdManager) mContext.getSystemService(Context.NSD_SERVICE);
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mIntentFilter = new IntentFilter(NsdManager.ACTION_NSD_STATE_CHANGED);
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}
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public void resume() {
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mContext.registerReceiver(mReceiver, mIntentFilter);
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mSwitchPreference.setOnPreferenceChangeListener(this);
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}
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public void pause() {
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mContext.unregisterReceiver(mReceiver);
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mSwitchPreference.setOnPreferenceChangeListener(null);
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}
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public boolean onPreferenceChange(Preference preference, Object value) {
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final boolean desiredState = (Boolean) value;
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mSwitchPreference.setEnabled(false);
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mNsdManager.setEnabled(desiredState);
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return false;
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}
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private void handleNsdStateChanged(int newState) {
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switch (newState) {
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case NsdManager.NSD_STATE_DISABLED:
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mSwitchPreference.setChecked(false);
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mSwitchPreference.setEnabled(true);
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break;
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case NsdManager.NSD_STATE_ENABLED:
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mSwitchPreference.setChecked(true);
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mSwitchPreference.setEnabled(true);
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break;
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}
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}
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}
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