├── AutoCompleteEditText.java
├── LICENSE
├── README.md
└── preview.gif


/AutoCompleteEditText.java:
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  1 | package im.dacer;
  2 | 
  3 | import android.content.Context;
  4 | import android.util.AttributeSet;
  5 | import android.view.WindowManager;
  6 | import android.widget.ArrayAdapter;
  7 | import android.widget.AutoCompleteTextView;
  8 | 
  9 | import java.util.ArrayList;
 10 | import java.util.regex.Matcher;
 11 | import java.util.regex.Pattern;
 12 | 
 13 | 
 14 | /**
 15 |  * Created by Dacer on 5/23/14.
 16 |  * Show a drop-down list after input a symbol.
 17 |  */
 18 | public class AutoCompleteEditText extends AutoCompleteTextView {
 19 | 
 20 |     private ArrayAdapter<String> adapter;
 21 |     private String startAtSymbol = "#";
 22 | 
 23 |     public AutoCompleteEditText(Context context){
 24 |         this(context, null);
 25 |     }
 26 |     public AutoCompleteEditText(Context context, AttributeSet attrs){
 27 |         super(context,attrs);
 28 |         init();
 29 |     }
 30 |     public AutoCompleteEditText(Context context, AttributeSet attrs, int defStyle){
 31 |         super(context, attrs, defStyle);
 32 |         init();
 33 |     }
 34 | 
 35 |     private void init(){
 36 |         adapter = new ArrayAdapter<String>(getContext(),
 37 |                 android.R.layout.simple_dropdown_item_1line, new ArrayList<String>());
 38 |         setAdapter(adapter);
 39 |         setDropDownWidth(WindowManager.LayoutParams.WRAP_CONTENT);
 40 |     }
 41 | 
 42 |     /**
 43 |      *
 44 |      * @param symbol default is #
 45 |      */
 46 |     public void setStartAtSymbol(String symbol){
 47 |         startAtSymbol = symbol;
 48 |     }
 49 | 
 50 |     /**
 51 |      *
 52 |      * @param dataList The data must start with the symbol
 53 |      */
 54 |     public void setAutoCompleteList(String[] dataList){
 55 |         adapter = new ArrayAdapter<String>(getContext(),
 56 |                 android.R.layout.simple_dropdown_item_1line, dataList);
 57 |         setAdapter(adapter);
 58 |     }
 59 | 
 60 |     @Override
 61 |     public boolean enoughToFilter() {
 62 |         if(getText() != null){
 63 |             return getText().length() != 0;
 64 |         }
 65 |         return true;
 66 |     }
 67 | 
 68 |     @Override
 69 |     protected void performFiltering(CharSequence text, int keyCode){
 70 |         String beforeCursor = getText().toString().substring(0, getSelectionStart());
 71 |         Pattern pattern = Pattern.compile(getRegularExpression());
 72 |         Matcher matcher = pattern.matcher(beforeCursor);
 73 |         if (matcher.find()) {
 74 |             text = matcher.group(0);;
 75 |         }
 76 |         super.performFiltering(text, keyCode);
 77 |     }
 78 | 
 79 |     @Override
 80 |     protected void replaceText(CharSequence text){
 81 |         String beforeCursor = getText().toString().substring(0, getSelectionStart());
 82 |         String afterCursor = getText().toString().substring(getSelectionStart());
 83 | 
 84 |         Pattern pattern = Pattern.compile("#\\S*");
 85 |         Matcher matcher = pattern.matcher(beforeCursor);
 86 |         StringBuffer sb = new StringBuffer();
 87 |         int matcherStart = 0;
 88 |         while (matcher.find()) {
 89 |             int curPos = getSelectionStart();
 90 |             if(curPos > matcher.start() &&
 91 |                     curPos <= matcher.end()){
 92 |                 matcherStart = matcher.start();
 93 |                 matcher.appendReplacement(sb, text.toString()+" ");
 94 |             }
 95 |         }
 96 |         matcher.appendTail(sb);
 97 |         setText(sb.toString()+afterCursor);
 98 |         setSelection(matcherStart + text.length()+1);
 99 |     }
100 | 
101 | 
102 |     private String getRegularExpression(){
103 |         return startAtSymbol+"\\S*\\z";
104 |     }
105 | }
106 | 


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/LICENSE:
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 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2014 Ding Wenhao
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy of
 6 | this software and associated documentation files (the "Software"), to deal in
 7 | the Software without restriction, including without limitation the rights to
 8 | use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 9 | the Software, and to permit persons to whom the Software is furnished to do so,
10 | subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
17 | FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
18 | COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 | IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


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/README.md:
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 1 | # AutoCompleteEditText
 2 | 
 3 | A simple EditText that can show a drop-down list after input a symbol.
 4 | 
 5 | ![AutoCompleteEditText](https://raw.githubusercontent.com/HackPlan/Android-AutoCompleteEditText/master/preview.gif)
 6 | 
 7 | It was used in [Pomotodo](https://play.google.com/store/apps/details?id=com.pomotodo)
 8 | 
 9 | ## Usage
10 | 
11 | ```xml
12 | <im.dacer.AutoCompleteEditText
13 |     android:id="@+id/edit_text"
14 |     android:layout_height="wrap_content"
15 |     android:layout_width="fill_parent"/>
16 | ```
17 | 
18 | ```java
19 | AutoCompleteEditText editText = (AutoCompleteEditText) findViewById(R.id.edit_text);
20 | editText.setStartAtSymbol("#");
21 | editText.setAutoCompleteList(list);
22 | ```
23 | 
24 | ## License
25 | 
26 | The MIT License (MIT)
27 | 
28 | Copyright (c) 2014 Ding Wenhao
29 | 
30 | Permission is hereby granted, free of charge, to any person obtaining a copy of
31 | this software and associated documentation files (the "Software"), to deal in
32 | the Software without restriction, including without limitation the rights to
33 | use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
34 | the Software, and to permit persons to whom the Software is furnished to do so,
35 | subject to the following conditions:
36 | 
37 | The above copyright notice and this permission notice shall be included in all
38 | copies or substantial portions of the Software.
39 | 
40 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
41 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
42 | FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
43 | COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
44 | IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
45 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
46 | 
47 | 
48 | ## Contributing
49 | 
50 | Please fork this repository and contribute back using
51 | [pull requests](https://github.com/github/android/pulls).
52 | 
53 | Any contributions, large or small, major features, bug fixes, additional
54 | language translations, unit/integration tests are welcomed


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/preview.gif:
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https://raw.githubusercontent.com/HackPlan/Android-AutoCompleteEditText/cc21f47600550266360fd88718bb53b96f121505/preview.gif


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