1/* 2 * Copyright (C) 2017 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 17package android.support.text.emoji.widget; 18 19import android.content.Context; 20import android.support.v7.widget.AppCompatTextView; 21import android.text.InputFilter; 22import android.util.AttributeSet; 23 24/** 25 * AppCompatTextView widget enhanced with emoji capability by using {@link EmojiTextViewHelper}. 26 * When used on devices running API 18 or below, this widget acts as a regular 27 * {@link AppCompatTextView}. 28 */ 29public class EmojiAppCompatTextView extends AppCompatTextView { 30 private EmojiTextViewHelper mEmojiTextViewHelper; 31 private boolean mInitialized; 32 33 public EmojiAppCompatTextView(Context context) { 34 super(context); 35 init(); 36 } 37 38 public EmojiAppCompatTextView(Context context, AttributeSet attrs) { 39 super(context, attrs); 40 init(); 41 } 42 43 public EmojiAppCompatTextView(Context context, AttributeSet attrs, int defStyleAttr) { 44 super(context, attrs, defStyleAttr); 45 init(); 46 } 47 48 private void init() { 49 if (!mInitialized) { 50 mInitialized = true; 51 getEmojiTextViewHelper().updateTransformationMethod(); 52 } 53 } 54 55 @Override 56 public void setFilters(InputFilter[] filters) { 57 super.setFilters(getEmojiTextViewHelper().getFilters(filters)); 58 } 59 60 @Override 61 public void setAllCaps(boolean allCaps) { 62 super.setAllCaps(allCaps); 63 getEmojiTextViewHelper().setAllCaps(allCaps); 64 } 65 66 private EmojiTextViewHelper getEmojiTextViewHelper() { 67 if (mEmojiTextViewHelper == null) { 68 mEmojiTextViewHelper = new EmojiTextViewHelper(this); 69 } 70 return mEmojiTextViewHelper; 71 } 72} 73