1 /*
2  * Copyright (C) 2014 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.example.android.apprestrictionenforcer;
18 
19 import android.text.TextWatcher;
20 
21 /**
22  * This is a wrapper around {@link TextWatcher} that overrides
23  * {@link TextWatcher#beforeTextChanged(CharSequence, int, int, int)} and
24  * {@link TextWatcher#onTextChanged(CharSequence, int, int, int)} with empty bodies.
25  */
26 public abstract class EasyTextWatcher implements TextWatcher {
27 
28     @Override
beforeTextChanged(CharSequence s, int start, int count, int after)29     public void beforeTextChanged(CharSequence s, int start, int count, int after) {
30         // Do nothing
31     }
32 
33     @Override
onTextChanged(CharSequence s, int start, int before, int count)34     public void onTextChanged(CharSequence s, int start, int before, int count) {
35         // Do nothing
36     }
37 
38 }
39