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      1 /*
      2  * Copyright (C) 2011 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.compat;
     18 
     19 import android.view.textservice.SuggestionsInfo;
     20 
     21 import java.lang.reflect.Field;
     22 
     23 public final class SuggestionsInfoCompatUtils {
     24     // Note that SuggestionsInfo.RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS has been introduced
     25     // in API level 15 (Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1).
     26     private static final Field FIELD_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS =
     27             CompatUtils.getField(SuggestionsInfo.class, "RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS");
     28     private static final Integer OBJ_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS =
     29             (Integer) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */,
     30                     FIELD_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS);
     31     private static final int RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS =
     32             OBJ_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS != null
     33                     ? OBJ_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS : 0;
     34 
     35     private SuggestionsInfoCompatUtils() {
     36         // This utility class is not publicly instantiable.
     37     }
     38 
     39     /**
     40      * Returns the flag value of the attributes of the suggestions that can be obtained by
     41      * {@link SuggestionsInfo#getSuggestionsAttributes()}: this tells that the text service thinks
     42      * the result suggestions include highly recommended ones.
     43      */
     44     public static int getValueOf_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS() {
     45         return RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS;
     46     }
     47 }
     48