Skip to content

Most visited

Recently visited

navigation
NfcProvisioning / src / com.example.android.nfcprovisioning /

TextWatcherWrapper.java

1
/*
2
 * Copyright (C) 2015 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.nfcprovisioning;
18
 
19
import android.text.Editable;
20
import android.text.TextWatcher;
21
 
22
/**
23
 * This class wraps {@link TextWatcher} and delegates {@link TextWatcher#afterTextChanged} event to
24
 * {@link OnTextChangedListener} while hiding all other unnecessary events.
25
 */
26
public class TextWatcherWrapper implements TextWatcher {
27
 
28
    private final int mId;
29
    private final OnTextChangedListener mListener;
30
 
31
    public TextWatcherWrapper(int id, OnTextChangedListener listener) {
32
        mId = id;
33
        mListener = listener;
34
    }
35
 
36
    @Override
37
    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
38
        // Ignore
39
    }
40
 
41
    @Override
42
    public void onTextChanged(CharSequence s, int start, int before, int count) {
43
        // Ignore
44
    }
45
 
46
    @Override
47
    public void afterTextChanged(Editable s) {
48
        mListener.onTextChanged(mId, s.toString());
49
    }
50
 
51
    public interface OnTextChangedListener {
52
        public void onTextChanged(int id, String s);
53
    }
54
 
55
}
This site uses cookies to store your preferences for site-specific language and display options.

Hooray!

This class requires API level or higher

This doc is hidden because your selected API level for the documentation is . You can change the documentation API level with the selector above the left navigation.

For more information about specifying the API level your app requires, read Supporting Different Platform Versions.

Take a one-minute survey?
Help us improve Android tools and documentation.