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 package android.autofillservice.cts; 17 18 import android.text.Editable; 19 import android.text.TextWatcher; 20 import android.widget.EditText; 21 22 import java.util.regex.Pattern; 23 24 /** 25 * A {@link TextWatcher} that appends pound signs ({@code #} at the beginning and end of the text. 26 */ 27 public final class AntiTrimmerTextWatcher implements TextWatcher { 28 29 /** 30 * Regex used to revert a String that was "anti-trimmed". 31 */ 32 public static final Pattern TRIMMER_PATTERN = Pattern.compile("#(.*)#"); 33 34 private final EditText mView; 35 36 public AntiTrimmerTextWatcher(EditText view) { 37 mView = view; 38 mView.addTextChangedListener(this); 39 } 40 41 @Override 42 public void onTextChanged(CharSequence s, int start, int before, int count) { 43 mView.removeTextChangedListener(this); 44 mView.setText("#" + s + "#"); 45 } 46 47 @Override 48 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 49 } 50 51 @Override 52 public void afterTextChanged(Editable s) { 53 } 54 } 55