1 /* 2 * Copyright (C) 2013 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.inputmethod.latin.utils; 18 19 import android.app.Activity; 20 import android.content.ComponentName; 21 import android.content.Context; 22 import android.content.pm.ActivityInfo; 23 import android.content.pm.PackageInfo; 24 import android.content.pm.PackageManager.NameNotFoundException; 25 import android.util.Log; 26 27 public final class ApplicationUtils { 28 private static final String TAG = ApplicationUtils.class.getSimpleName(); 29 ApplicationUtils()30 private ApplicationUtils() { 31 // This utility class is not publicly instantiable. 32 } 33 getActivityTitleResId(final Context context, final Class<? extends Activity> cls)34 public static int getActivityTitleResId(final Context context, 35 final Class<? extends Activity> cls) { 36 final ComponentName cn = new ComponentName(context, cls); 37 try { 38 final ActivityInfo ai = context.getPackageManager().getActivityInfo(cn, 0); 39 if (ai != null) { 40 return ai.labelRes; 41 } 42 } catch (final NameNotFoundException e) { 43 Log.e(TAG, "Failed to get settings activity title res id.", e); 44 } 45 return 0; 46 } 47 48 /** 49 * A utility method to get the application's PackageInfo.versionName 50 * @return the application's PackageInfo.versionName 51 */ getVersionName(final Context context)52 public static String getVersionName(final Context context) { 53 try { 54 if (context == null) { 55 return ""; 56 } 57 final String packageName = context.getPackageName(); 58 final PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0); 59 return info.versionName; 60 } catch (final NameNotFoundException e) { 61 Log.e(TAG, "Could not find version info.", e); 62 } 63 return ""; 64 } 65 66 /** 67 * A utility method to get the application's PackageInfo.versionCode 68 * @return the application's PackageInfo.versionCode 69 */ getVersionCode(final Context context)70 public static int getVersionCode(final Context context) { 71 try { 72 if (context == null) { 73 return 0; 74 } 75 final String packageName = context.getPackageName(); 76 final PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0); 77 return info.versionCode; 78 } catch (final NameNotFoundException e) { 79 Log.e(TAG, "Could not find version info.", e); 80 } 81 return 0; 82 } 83 } 84