| /* |
| * Copyright (C) 2017 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.settings.deviceinfo; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Build; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.support.v7.preference.Preference; |
| import android.support.v7.preference.PreferenceScreen; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import com.android.settings.core.PreferenceController; |
| import com.android.settingslib.RestrictedLockUtils; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnResume; |
| |
| |
| public class FirmwareVersionPreferenceController extends PreferenceController |
| implements LifecycleObserver, OnResume { |
| |
| private static final String TAG = "FirmwareVersionPref"; |
| private static final String KEY_FIRMWARE_VERSION = "firmware_version"; |
| |
| private final UserManager mUserManager; |
| |
| private RestrictedLockUtils.EnforcedAdmin mFunDisallowedAdmin; |
| private boolean mFunDisallowedBySystem; |
| |
| private long[] mHits = new long[3]; |
| |
| public FirmwareVersionPreferenceController(Context context, Lifecycle lifecycle) { |
| super(context); |
| mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE); |
| if (lifecycle != null) { |
| lifecycle.addObserver(this); |
| } |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return true; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| final Preference pref = screen.findPreference(KEY_FIRMWARE_VERSION); |
| if (pref != null) { |
| pref.setSummary(Build.VERSION.RELEASE); |
| } |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY_FIRMWARE_VERSION; |
| } |
| |
| @Override |
| public void onResume() { |
| mFunDisallowedAdmin = RestrictedLockUtils.checkIfRestrictionEnforced( |
| mContext, UserManager.DISALLOW_FUN, UserHandle.myUserId()); |
| mFunDisallowedBySystem = RestrictedLockUtils.hasBaseUserRestriction( |
| mContext, UserManager.DISALLOW_FUN, UserHandle.myUserId()); |
| } |
| |
| @Override |
| public boolean handlePreferenceTreeClick(Preference preference) { |
| if (!TextUtils.equals(preference.getKey(), KEY_FIRMWARE_VERSION)) { |
| return false; |
| } |
| System.arraycopy(mHits, 1, mHits, 0, mHits.length - 1); |
| mHits[mHits.length - 1] = SystemClock.uptimeMillis(); |
| if (mHits[0] >= (SystemClock.uptimeMillis() - 500)) { |
| if (mUserManager.hasUserRestriction(UserManager.DISALLOW_FUN)) { |
| if (mFunDisallowedAdmin != null && !mFunDisallowedBySystem) { |
| RestrictedLockUtils.sendShowAdminSupportDetailsIntent(mContext, |
| mFunDisallowedAdmin); |
| } |
| Log.d(TAG, "Sorry, no fun for you!"); |
| return false; |
| } |
| |
| final Intent intent = new Intent(Intent.ACTION_MAIN) |
| .setClassName( |
| "android", com.android.internal.app.PlatLogoActivity.class.getName()); |
| try { |
| mContext.startActivity(intent); |
| return true; |
| } catch (Exception e) { |
| Log.e(TAG, "Unable to start activity " + intent.toString()); |
| } |
| } |
| return false; |
| } |
| } |