1 /* 2 * Copyright (C) 2015 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.tv.common.feature; 18 19 import android.content.Context; 20 import android.content.pm.PackageInfo; 21 import android.content.pm.PackageManager; 22 import android.util.Log; 23 24 /* 25 * A feature controlled by package version. 26 */ 27 public class PackageVersionFeature implements Feature { 28 private static final String TAG = "PackageVersionFeature"; 29 private static final boolean DEBUG = false; 30 31 private final String mPackageName; 32 private final int mRequiredVersionCode; 33 34 public PackageVersionFeature(String packageName, int requiredVersionCode) { 35 mPackageName = packageName; 36 mRequiredVersionCode = requiredVersionCode; 37 } 38 39 @Override 40 public boolean isEnabled(Context context) { 41 try { 42 PackageInfo pInfo = context.getPackageManager().getPackageInfo(mPackageName, 0); 43 return pInfo != null && pInfo.versionCode >= mRequiredVersionCode; 44 } catch (PackageManager.NameNotFoundException e) { 45 if (DEBUG) Log.d(TAG, "Can't find package '" + mPackageName + "'.", e); 46 return false; 47 } 48 } 49 50 @Override 51 public String toString() { 52 return "PackageVersionFeature[packageName=" + mPackageName + ",requiredVersion=" 53 + mRequiredVersionCode + "]"; 54 } 55 } 56
