我正在制作一个简单的通讯录应用程序(针对4.2版本),包括姓名、地址、城市、州、邮编和电话号码。
我希望将电话号码的输入格式化为电话号码(XXX)XXX-XXXX,但我需要将值作为字符串提取出来,以便在保存时将其存储在我的数据库中。怎么做? 我已经将EditText设置为“电话号码”输入,但显然这并没有多大作用。
我正在制作一个简单的通讯录应用程序(针对4.2版本),包括姓名、地址、城市、州、邮编和电话号码。
我希望将电话号码的输入格式化为电话号码(XXX)XXX-XXXX,但我需要将值作为字符串提取出来,以便在保存时将其存储在我的数据库中。怎么做? 我已经将EditText设置为“电话号码”输入,但显然这并没有多大作用。
只需使用PhoneNumberFormattingTextWatcher,只需调用:
editText.addTextChangedListener(new PhoneNumberFormattingTextWatcher());
添加
要明确的是,PhoneNumberFormattingTextWatcher的核心代码是PhoneNumberUtils类。不同之处在于TextWatcher在您保持EditText不变的同时,必须每次更改其内容时调用PhoneNumberUtils.formatNumber()
。
有一个名为PhoneNumberUtils的库可帮助你处理电话号码的转换和比较。例如,使用...
EditText text = (EditText) findViewById(R.id.editTextId);
PhoneNumberUtils.formatNumber(text.getText().toString())
...以标准格式对您的数字进行格式化。
PhoneNumberUtils.compare(String a, String b);
...有助于模糊比较。还有更多的方法,请查看http://developer.android.com/reference/android/telephony/PhoneNumberUtils.html 以了解更多信息。
p.s. 将EditText设置为phone
已经是一个不错的选择;最终在布局中添加digits
可能会有帮助,例如在您的布局中看起来像...
<EditText
android:id="@+id/editTextId"
android:inputType="phone"
android:digits="0123456789+"
/>
.
而不是 -
的地区。我个人认为,如果用户在不知道其含义的情况下在他们的号码中输入 N
或 ;
,那就是他们的错。 :) - Sam只需使用这个:
在Java代码中:
editText.addTextChangedListener(new PhoneNumberFormattingTextWatcher());
在 XML 代码中:
<EditText
android:id="@+id/etPhoneNumber"
android:inputType="phone"/>
这段代码适用于我。当编辑文本中的文本更改时,它将自动格式化。
String phoneNumbers = maskedString.replaceAll("[^\\d]", "");
来获取没有任何空格的电话号码。 - Nur4Iandroid:inputType="phone|number"
作为后备机制。 - Pulkit我最近为 Android EditText 做了类似于 1(XXX)XXX-XXXX 的格式设置。请见下方的代码。只需将 TextWatcher 子类用作文本更改侦听器:
...
UsPhoneNumberFormatter addLineNumberFormatter = new UsPhoneNumberFormatter(
new WeakReference<EditText>(mYourEditText));
mYourEditText.addTextChangedListener(addLineNumberFormatter);
...
private class UsPhoneNumberFormatter implements TextWatcher {
//This TextWatcher sub-class formats entered numbers as 1 (123) 456-7890
private boolean mFormatting; // this is a flag which prevents the
// stack(onTextChanged)
private boolean clearFlag;
private int mLastStartLocation;
private String mLastBeforeText;
private WeakReference<EditText> mWeakEditText;
public UsPhoneNumberFormatter(WeakReference<EditText> weakEditText) {
this.mWeakEditText = weakEditText;
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
if (after == 0 && s.toString().equals("1 ")) {
clearFlag = true;
}
mLastStartLocation = start;
mLastBeforeText = s.toString();
}
@Override
public void onTextChanged(CharSequence s, int start, int before,
int count) {
// TODO: Do nothing
}
@Override
public void afterTextChanged(Editable s) {
// Make sure to ignore calls to afterTextChanged caused by the work
// done below
if (!mFormatting) {
mFormatting = true;
int curPos = mLastStartLocation;
String beforeValue = mLastBeforeText;
String currentValue = s.toString();
String formattedValue = formatUsNumber(s);
if (currentValue.length() > beforeValue.length()) {
int setCusorPos = formattedValue.length()
- (beforeValue.length() - curPos);
mWeakEditText.get().setSelection(setCusorPos < 0 ? 0 : setCusorPos);
} else {
int setCusorPos = formattedValue.length()
- (currentValue.length() - curPos);
if(setCusorPos > 0 && !Character.isDigit(formattedValue.charAt(setCusorPos -1))){
setCusorPos--;
}
mWeakEditText.get().setSelection(setCusorPos < 0 ? 0 : setCusorPos);
}
mFormatting = false;
}
}
private String formatUsNumber(Editable text) {
StringBuilder formattedString = new StringBuilder();
// Remove everything except digits
int p = 0;
while (p < text.length()) {
char ch = text.charAt(p);
if (!Character.isDigit(ch)) {
text.delete(p, p + 1);
} else {
p++;
}
}
// Now only digits are remaining
String allDigitString = text.toString();
int totalDigitCount = allDigitString.length();
if (totalDigitCount == 0
|| (totalDigitCount > 10 && !allDigitString.startsWith("1"))
|| totalDigitCount > 11) {
// May be the total length of input length is greater than the
// expected value so we'll remove all formatting
text.clear();
text.append(allDigitString);
return allDigitString;
}
int alreadyPlacedDigitCount = 0;
// Only '1' is remaining and user pressed backspace and so we clear
// the edit text.
if (allDigitString.equals("1") && clearFlag) {
text.clear();
clearFlag = false;
return "";
}
if (allDigitString.startsWith("1")) {
formattedString.append("1 ");
alreadyPlacedDigitCount++;
}
// The first 3 numbers beyond '1' must be enclosed in brackets "()"
if (totalDigitCount - alreadyPlacedDigitCount > 3) {
formattedString.append("("
+ allDigitString.substring(alreadyPlacedDigitCount,
alreadyPlacedDigitCount + 3) + ") ");
alreadyPlacedDigitCount += 3;
}
// There must be a '-' inserted after the next 3 numbers
if (totalDigitCount - alreadyPlacedDigitCount > 3) {
formattedString.append(allDigitString.substring(
alreadyPlacedDigitCount, alreadyPlacedDigitCount + 3)
+ "-");
alreadyPlacedDigitCount += 3;
}
// All the required formatting is done so we'll just copy the
// remaining digits.
if (totalDigitCount > alreadyPlacedDigitCount) {
formattedString.append(allDigitString
.substring(alreadyPlacedDigitCount));
}
text.clear();
text.append(formattedString.toString());
return formattedString.toString();
}
}
https://github.com/reinaldoarrosi/MaskedEditText
这个项目包含一个名为MaskedEditText
的视图类。首先,您需要将其添加到您的项目中。
然后,在项目的res/values/attrs.xml文件中添加以下xml部分:
<resources>
<declare-styleable name="MaskedEditText">
<attr name="mask" format="string" />
<attr name="placeholder" format="string" />
</declare-styleable>
</resources>
MaskedEditText
视图了。最后,您应该像以下方式在您想要的xml文件中添加MaskedEditText;<packagename.currentfolder.MaskedEditText
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/maskedEditText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:text="5"
app:mask="(999) 999-9999"
app:placeholder="_" >
MaskedEditText
将显示如下:
如果您想以未掩码的方式获取其文本值,则可以在编程中使用以下行:
maskedEditText.getText(true);
getText
方法中发送false
值而不是true
值。public class PhoneTextFormatter implements TextWatcher {
private final String TAG = this.getClass().getSimpleName();
private EditText mEditText;
private String mPattern;
public PhoneTextFormatter(EditText editText, String pattern) {
mEditText = editText;
mPattern = pattern;
//set max length of string
int maxLength = pattern.length();
mEditText.setFilters(new InputFilter[]{new InputFilter.LengthFilter(maxLength)});
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
StringBuilder phone = new StringBuilder(s);
Log.d(TAG, "join");
if (count > 0 && !isValid(phone.toString())) {
for (int i = 0; i < phone.length(); i++) {
Log.d(TAG, String.format("%s", phone));
char c = mPattern.charAt(i);
if ((c != '#') && (c != phone.charAt(i))) {
phone.insert(i, c);
}
}
mEditText.setText(phone);
mEditText.setSelection(mEditText.getText().length());
}
}
@Override
public void afterTextChanged(Editable s) {
}
private boolean isValid(String phone)
{
for (int i = 0; i < phone.length(); i++) {
char c = mPattern.charAt(i);
if (c == '#') continue;
if (c != phone.charAt(i)) {
return false;
}
}
return true;
}
}
使用方法如下:
phone = view.findViewById(R.id.phone);
phone.addTextChangedListener(new PhoneTextFormatter(phone, "+7 (###) ###-####"));
setInputType(InputType.TYPE_CLASS_PHONE); setText("+7 ("); setSelection(4)
。 - Miha_x64按照此答案中的说明格式化EditText掩码。
之后,您可以使用以下方法从掩码字符串中获取原始数字:
String phoneNumbers = maskedString.replaceAll("[^\\d]", "");
更像是清除:
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
String text = etyEditText.getText();
int textlength = etyEditText.getText().length();
if (text.endsWith("(") ||text.endsWith(")")|| text.endsWith(" ") || text.endsWith("-") )
return;
switch (textlength){
case 1:
etyEditText.setEditText(new StringBuilder(text).insert(text.length() - 1, "(").toString());
etyEditText.setSelection(etyEditText.getText().length());
break;
case 5:
etyEditText.setEditText(new StringBuilder(text).insert(text.length() - 1, ")").toString());
etyEditText.setSelection(etyEditText.getText().length());
break;
case 6:
etyEditText.setEditText(new StringBuilder(text).insert(text.length() - 1, " ").toString());
etyEditText.setSelection(etyEditText.getText().length());
break;
case 10:
etyEditText.setEditText(new StringBuilder(text).insert(text.length() - 1, "-").toString());
etyEditText.setSelection(etyEditText.getText().length());
break;
}
}
您可以使用Spans在Android中格式化电话号码。这种解决方案比其他解决方案更好,因为它不会改变输入文本。格式化只保留视觉效果。
implementation 'com.googlecode.libphonenumber:libphonenumber:7.0.4'
格式化器类:
open class PhoneNumberFormatter : TransformationMethod {
private val mFormatter: AsYouTypeFormatter = PhoneNumberUtil.getInstance().getAsYouTypeFormatter(Locale.getDefault().country)
override fun getTransformation(source: CharSequence, view: View): CharSequence {
val formatted = format(source)
if (source is Spannable) {
setSpans(source, formatted)
return source
}
return formatted
}
override fun onFocusChanged(view: View?, sourceText: CharSequence?, focused: Boolean, direction: Int, previouslyFocusedRect: Rect?) = Unit
private fun setSpans(spannable: Spannable, formatted: CharSequence): CharSequence {
spannable.clearSpawns()
var charterIndex = 0
var formattedIndex = 0
var spawn = ""
val spawns: List<String> = spannable
.map {
spawn = ""
charterIndex = formatted.indexOf(it, formattedIndex)
if (charterIndex != -1){
spawn = formatted.substring(formattedIndex, charterIndex-1)
formattedIndex = charterIndex+1
}
spawn
}
spawns.forEachIndexed { index, sequence ->
spannable.setSpan(CharterSpan(sequence), index, index + 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
}
return formatted
}
private fun Spannable.clearSpawns() =
this
.getSpans(0, this.length, CharterSpan::class.java)
.forEach { this.removeSpan(it) }
private fun format(spannable: CharSequence): String {
mFormatter.clear()
var formated = ""
for (i in 0 until spannable.length) {
formated = mFormatter.inputDigit(spannable[i])
}
return formated
}
private inner class CharterSpan(private val charters: String) : ReplacementSpan() {
var space = 0
override fun getSize(paint: Paint, text: CharSequence, start: Int, end: Int, fm: Paint.FontMetricsInt?): Int {
space = Math.round(paint.measureText(charters, 0, charters.length))
return Math.round(paint.measureText(text, start, end)) + space
}
override fun draw(canvas: Canvas, text: CharSequence, start: Int, end: Int, x: Float, top: Int, y: Int, bottom: Int, paint: Paint) {
space = Math.round(paint.measureText(charters, 0, charters.length))
canvas.drawText(text, start, end, x + space, y.toFloat(), paint)
canvas.drawText(charters, x, y.toFloat(), paint)
}
}
}
使用方法:
editText.transformationMethod = formatter