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      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 
     30     private ApplicationUtils() {
     31         // This utility class is not publicly instantiable.
     32     }
     33 
     34     public static int getAcitivityTitleResId(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      */
     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