1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.deviceinfo.firmwareversion; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.PackageManager; 22 import android.net.Uri; 23 import android.text.TextUtils; 24 import android.util.Log; 25 26 import androidx.preference.Preference; 27 28 import com.android.settings.core.BasePreferenceController; 29 import com.android.settingslib.DeviceInfoUtils; 30 31 public class SecurityPatchLevelPreferenceController extends BasePreferenceController { 32 33 private static final String TAG = "SecurityPatchCtrl"; 34 private static final Uri INTENT_URI_DATA = Uri.parse( 35 "https://source.android.com/security/bulletin/"); 36 37 private final PackageManager mPackageManager; 38 private final String mCurrentPatch; 39 SecurityPatchLevelPreferenceController(Context context, String key)40 public SecurityPatchLevelPreferenceController(Context context, String key) { 41 super(context, key); 42 mPackageManager = mContext.getPackageManager(); 43 mCurrentPatch = DeviceInfoUtils.getSecurityPatch(); 44 } 45 46 @Override getAvailabilityStatus()47 public int getAvailabilityStatus() { 48 return !TextUtils.isEmpty(mCurrentPatch) 49 ? AVAILABLE : CONDITIONALLY_UNAVAILABLE; 50 } 51 52 @Override getSummary()53 public CharSequence getSummary() { 54 return mCurrentPatch; 55 } 56 57 @Override handlePreferenceTreeClick(Preference preference)58 public boolean handlePreferenceTreeClick(Preference preference) { 59 if (!TextUtils.equals(preference.getKey(), getPreferenceKey())) { 60 return false; 61 } 62 63 final Intent intent = new Intent(); 64 intent.setAction(Intent.ACTION_VIEW); 65 intent.setData(INTENT_URI_DATA); 66 if (mPackageManager.queryIntentActivities(intent, 0).isEmpty()) { 67 // Don't send out the intent to stop crash 68 Log.w(TAG, "queryIntentActivities() returns empty"); 69 return true; 70 } 71 72 mContext.startActivity(intent); 73 return true; 74 } 75 } 76