blocks|key|879890|text|最简单的方法是使用内置的Android+PhoneNumberFormattingTextWatcher。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|879891|所以基本上你在代码中获得你的EditText，并像这样设置你的文本监视器…|879892|EditText+inputField+=+(EditText)+findViewById(R.id.inputfield);
inputField.addTextChangedListener(new+PhoneNumberFormattingTextWatcher());|code-block|syntax|javascript|879893|使用PhoneNumberFormattingTextWatcher的好处是它将根据您的区域设置正确地格式化您的数字条目。|879894|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/reference/android/telephony/PhoneNumberFormattingTextWatcher.html^0|K|W|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|6|7|Y|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|Z|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|10|8|@]|9|@]|C|$]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]]]

Easiest way to do this is to use the built in Android <a href="http://developer.android.com/reference/android/telephony/PhoneNumberFormattingTextWatcher.html" rel="noreferrer">PhoneNumberFormattingTextWatcher</a>.

So basically you get your EditText in code and set your text watcher like this...

<pre><code>EditText inputField = (EditText) findViewById(R.id.inputfield);
inputField.addTextChangedListener(new PhoneNumberFormattingTextWatcher());
</code></pre>

Nice thing about using PhoneNumberFormattingTextWatcher is that it will format your number entry correctly based on your locale.

blocks|key|879917|text|只需将以下代码添加到Phone+Number的EditText中，即可获得格式化的电话号码(#-#-#)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|879918|Phone.addTextChangedListener(new+TextWatcher()+{

++++++++int+length_before+=+0;

++++++++@Override
++++++++public+void+beforeTextChanged(CharSequence+s,+int+start,+int+count,+int+after)+{
++++++++++++length_before+=+s.length();
++++++++}

++++++++@Override
++++++++public+void+onTextChanged(CharSequence+s,+int+start,+int+before,+int+count)+{

++++++++}

++++++++@Override
++++++++public+void+afterTextChanged(Editable+s)+{
++++++++++++if+(length_before+<+s.length())+{
++++++++++++++++if+(s.length()+==+3+%7C%7C+s.length()+==+7)
++++++++++++++++++++s.append("-");
++++++++++++++++if+(s.length()+>+3)+{
++++++++++++++++++++if+(Character.isDigit(s.charAt(3)))
++++++++++++++++++++++++s.insert(3,+"-");
++++++++++++++++}
++++++++++++++++if+(s.length()+>+7)+{
++++++++++++++++++++if+(Character.isDigit(s.charAt(7)))
++++++++++++++++++++++++s.insert(7,+"-");
++++++++++++++++}
++++++++++++}
++++++++}
++++});|code-block|syntax|javascript|879919|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Just add the following to EditText for Phone Number to get a formatted phone number(###-###-####)

<pre><code>Phone.addTextChangedListener(new TextWatcher() {

 int length_before = 0;

 @Override
 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 length_before = s.length();
 }

 @Override
 public void onTextChanged(CharSequence s, int start, int before, int count) {

 }

 @Override
 public void afterTextChanged(Editable s) {
 if (length_before &lt; s.length()) {
 if (s.length() == 3 || s.length() == 7)
 s.append("-");
 if (s.length() &gt; 3) {
 if (Character.isDigit(s.charAt(3)))
 s.insert(3, "-");
 }
 if (s.length() &gt; 7) {
 if (Character.isDigit(s.charAt(7)))
 s.insert(7, "-");
 }
 }
 }
 });
</code></pre>

blocks|key|1094703|text|上面的解决方案没有考虑退格符，所以当你在键入后删除一些数字时，格式往往会变得混乱。下面的代码更正了这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1094704|phoneNumberEditText.addTextChangedListener(new+TextWatcher()+{

++++++++int+beforeLength;

++++++++@Override
++++++++public+void+beforeTextChanged(CharSequence+s,+int+start,+int+count,+int+after)+{
++++++++++++beforeLength+=+phoneNumberEditText.length();
++++++++}

++++++++@Override
++++++++public+void+onTextChanged(CharSequence+s,+int+start,+int+before,+int+count)+{
++++++++++++int+digits+=+phoneNumberEditText.getText().toString().length();
++++++++++++if+(beforeLength+<+digits+&&+(digits+==+3+%7C%7C+digits+==+7))+{
++++++++++++++++phoneNumberEditText.append("-");
++++++++++++}
++++++++}

++++++++@Override
++++++++public+void+afterTextChanged(Editable+s)+{+}
++++});|code-block|syntax|javascript|1094705|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

The above solutions do not take backspace into consideration so when you delete some numbers after typing, the format tends to mess up. Below code corrects this issue.

<pre><code>phoneNumberEditText.addTextChangedListener(new TextWatcher() {

 int beforeLength;

 @Override
 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 beforeLength = phoneNumberEditText.length();
 }

 @Override
 public void onTextChanged(CharSequence s, int start, int before, int count) {
 int digits = phoneNumberEditText.getText().toString().length();
 if (beforeLength &lt; digits &amp;&amp; (digits == 3 || digits == 7)) {
 phoneNumberEditText.append("-");
 }
 }

 @Override
 public void afterTextChanged(Editable s) { }
 });
</code></pre>

blocks|key|1094726|text|此代码允许您输入带有掩码###+-+###+-+####+(不带空格)的电话号码，还修复了删除电话数字的问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1094727|editText.addTextChangedListener(new+TextWatcher()+{
++++++++++++final+static+String+DELIMITER+=+"-";
++++++++++++String+lastChar;

++++++++++++@Override
++++++++++++public+void+beforeTextChanged(CharSequence+s,+int+start,+int+count,+int+after)+{
++++++++++++++++int+digits+=+editText.getText().toString().length();
++++++++++++++++if+(digits+>+1)
++++++++++++++++++++lastChar+=+editText.getText().toString().substring(digits-1);
++++++++++++}

++++++++++++@Override
++++++++++++public+void+onTextChanged(CharSequence+s,+int+start,+int+before,+int+count)+{
++++++++++++++++int+digits+=+editText.getText().length();
++++++++++++++++//+prevent+input+dash+by+user
++++++++++++++++if+(digits+>+0+&&+digits+!=+4+&&+digits+!=+8)+{
++++++++++++++++++++CharSequence+last+=+s.subSequence(digits+-+1,+digits);
++++++++++++++++++++if+(last.toString().equals(DELIMITER))
++++++++++++++++++++++++editText.getText().delete(digits+-+1,+digits);
++++++++++++++++}
++++++++++++++++//+inset+and+remove+dash
++++++++++++++++if+(digits+==+3+%7C%7C+digits+==+7)+{
++++++++++++++++++++if+(!lastChar.equals(DELIMITER))
++++++++++++++++++++++++editText.append("-");+//+insert+a+dash
++++++++++++++++++++else
++++++++++++++++++++++++editText.getText().delete(digits+-1,+digits);+//+delete+last+digit+with+a+dash
++++++++++++++++}
++++++++++++++++dataModel.setPhone(s.toString());
++++++++++++}

++++++++++++@Override
++++++++++++public+void+afterTextChanged(Editable+s)+{}
++++++++});|code-block|syntax|javascript|1094728|布局：|1094729|<EditText
++++++++++++android:layout_width="match_parent"
++++++++++++android:layout_height="wrap_content"
++++++++++++android:imeOptions="actionDone"
++++++++++++android:textAlignment="textStart"
++++++++++++android:inputType="number"
++++++++++++android:digits="-0123456789"
++++++++++++android:lines="1"
++++++++++++android:maxLength="12"/>|1094730|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

This code allow you enter phone number with mask ### - ### - #### (without spaces) and also here is fixed the issue with deletion of phone digits:

<pre><code>editText.addTextChangedListener(new TextWatcher() {
 final static String DELIMITER = "-";
 String lastChar;

 @Override
 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 int digits = editText.getText().toString().length();
 if (digits &gt; 1)
 lastChar = editText.getText().toString().substring(digits-1);
 }

 @Override
 public void onTextChanged(CharSequence s, int start, int before, int count) {
 int digits = editText.getText().length();
 // prevent input dash by user
 if (digits &gt; 0 &amp;&amp; digits != 4 &amp;&amp; digits != 8) {
 CharSequence last = s.subSequence(digits - 1, digits);
 if (last.toString().equals(DELIMITER))
 editText.getText().delete(digits - 1, digits);
 }
 // inset and remove dash
 if (digits == 3 || digits == 7) {
 if (!lastChar.equals(DELIMITER))
 editText.append("-"); // insert a dash
 else
 editText.getText().delete(digits -1, digits); // delete last digit with a dash
 }
 dataModel.setPhone(s.toString());
 }

 @Override
 public void afterTextChanged(Editable s) {}
 });
</code></pre>

Layout:

<pre><code>&lt;EditText
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:imeOptions="actionDone"
 android:textAlignment="textStart"
 android:inputType="number"
 android:digits="-0123456789"
 android:lines="1"
 android:maxLength="12"/&gt;
</code></pre>

I want to make user inputted phone number in an editText to dynamically change format every time the user inputs a number. That is, when user inputs up to 4 digits, like 7144, the editText shows "714-4".
I would like the editText to be dynamically updated to format ###-###-#### whenever the user inputs a digit. how can this be done? also, I am handling more than one editTexts.

Mask an EditText with Phone Number Format NaN like in PhoneNumberUtils

Android

我想让用户在editText中输入的电话号码，以动态改变格式，每次用户输入一个数字。也就是说，当用户输入最多4位数字时，如7144，editText将显示"714-4“。每当用户输入数字时，我希望editText动态更新为格式#-#-#。如何做到这一点？此外，我还在处理多个editTexts。

问使用电话号码格式NaN来掩码EditText，就像在PhoneNumberUtils中一样
EN

社区

活动

资源

关于

腾讯云开发者

热门产品

热门推荐

更多推荐

问使用电话号码格式NaN来掩码EditText，就像在PhoneNumberUtils中一样EN

社区

活动

资源

关于

腾讯云开发者

热门产品

热门推荐

更多推荐

问使用电话号码格式NaN来掩码EditText，就像在PhoneNumberUtils中一样
EN