23f8d59d02
Having consistent import order will reduce chance of merge conflict between internal and external master Test: rebuild Change-Id: I0b1a170967ddcce7f388603fd521f6ed1eeba30b
76 lines
2.4 KiB
Java
76 lines
2.4 KiB
Java
/*
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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.settings.nfc;
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import android.content.Context;
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import android.nfc.NfcAdapter;
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import androidx.preference.PreferenceScreen;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settingslib.RestrictedPreference;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnPause;
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import com.android.settingslib.core.lifecycle.events.OnResume;
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public class AndroidBeamPreferenceController extends BasePreferenceController
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implements LifecycleObserver, OnResume, OnPause {
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public static final String KEY_ANDROID_BEAM_SETTINGS = "android_beam_settings";
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private final NfcAdapter mNfcAdapter;
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private AndroidBeamEnabler mAndroidBeamEnabler;
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public AndroidBeamPreferenceController(Context context, String key) {
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super(context, key);
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mNfcAdapter = NfcAdapter.getDefaultAdapter(context);
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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if (!isAvailable()) {
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mAndroidBeamEnabler = null;
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return;
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}
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final RestrictedPreference restrictedPreference =
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(RestrictedPreference) screen.findPreference(getPreferenceKey());
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mAndroidBeamEnabler = new AndroidBeamEnabler(mContext, restrictedPreference);
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}
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@Override
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@AvailabilityStatus
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public int getAvailabilityStatus() {
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return mNfcAdapter != null
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? AVAILABLE
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: UNSUPPORTED_ON_DEVICE;
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}
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@Override
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public void onResume() {
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if (mAndroidBeamEnabler != null) {
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mAndroidBeamEnabler.resume();
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}
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}
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@Override
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public void onPause() {
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if (mAndroidBeamEnabler != null) {
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mAndroidBeamEnabler.pause();
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}
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}
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}
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