【转载】为MultiAutoCompleteTextView.setTokenizer(..)指定分格符号

 

01

文件 SemicolonTokenizer.java

 

package com.example.anttest;
02  
03 import android.text.SpannableString;
04 import android.text.Spanned;
05 import android.text.TextUtils;
06 import android.widget.MultiAutoCompleteTextView.Tokenizer;
07  
08 public class SemicolonTokenizer implements Tokenizer {
09     private char charS;
10     private String mSTring;
11  
12     public SemicolonTokenizer(char charS) {
13         this.charS = charS;
14         mSTring = String.valueOf(charS);
15     }
16  
17     public int findTokenStart(CharSequence text, int cursor) {
18         int i = cursor;
19  
20         while (i > 0 && text.charAt(i - 1) != charS) {
21             i--;
22         }
23         while (i < cursor && text.charAt(i) == ' ') {
24             i++;
25         }
26  
27         return i;
28     }
29  
30     public int findTokenEnd(CharSequence text, int cursor) {
31         int i = cursor;
32         int len = text.length();
33  
34         while (i < len) {
35             if (text.charAt(i) == charS) {
36                 return i;
37             } else {
38                 i++;
39             }
40         }
41  
42         return len;
43     }
44  
45     public CharSequence terminateToken(CharSequence text) {
46         int i = text.length();
47  
48         while (i > 0 && text.charAt(i - 1) == ' ') {
49             i--;
50         }
51  
52         if (i > 0 && text.charAt(i - 1) == charS) {
53             return text;
54         } else {
55             if (text instanceof Spanned) {
56                 SpannableString sp = new SpannableString(text + mSTring);
57                 TextUtils.copySpansFrom((Spanned) text, 0, text.length(), Object.class, sp, 0);
58                 return sp;
59             } else {
60                 return text + mSTring;
61             }
62         }
63     }
64

}

 

 

文件MainActivity.java

01 package com.example.anttest;
02  
03 import android.app.Activity;
04 import android.os.Bundle;
05 import android.widget.ArrayAdapter;
06 import android.widget.AutoCompleteTextView;
07 import android.widget.MultiAutoCompleteTextView;
08  
09 public class MainActivity extends Activity {
10     // 福建九地市
11     private static final String[] cities = new String[] { "FuZhou", "XiaMen", "NiDe","PuTian", "QuanZhou",
12             "ZhangZhou", "LongYan", "SanMing", "NanPing" };
13     private AutoCompleteTextView autoCompleteTextView = null;
14     private MultiAutoCompleteTextView multiAutoCompleteTextView = null;
15  
16     @Override
17     public void onCreate(Bundle savedInstanceState) {
18         super.onCreate(savedInstanceState);
19         setContentView(R.layout.activity_main);
20  
21         autoCompleteTextView = (AutoCompleteTextView) findViewById(R.id.autoCompleteTextView);
22         multiAutoCompleteTextView = (MultiAutoCompleteTextView) findViewById(R.id.multiAutoCompleteTextView);
23  
24         ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_dropdown_item_1line,
25                 cities);
26         autoCompleteTextView.setAdapter(adapter);
27         autoCompleteTextView.setThreshold(2);
28  
29         multiAutoCompleteTextView.setAdapter(adapter);
30         multiAutoCompleteTextView.setThreshold(2);
31         multiAutoCompleteTextView.setTokenizer(new SemicolonTokenizer('。'));
32     }
33

}

 

 

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posted @ 2013-05-23 11:24  hustshea  阅读(213)  评论(0)    收藏  举报