相关方法如下:
import android.content.Context
import android.text.Editable
import android.text.InputFilter
import android.text.InputType
import android.text.TextUtils
import android.text.TextWatcher
import android.view.inputmethod.EditorInfo
import android.view.inputmethod.InputMethodManager
import android.widget.EditText
import com.szhg9.magicworkep.common.utils.EditTextUtils
import org.jetbrains.anko.collections.forEachWithIndex
/**
* 过滤emoji
*/
fun EditText.filterEmoji() {
var arrys = arrayOfNulls(filters.size+1)
filters.forEachWithIndex { index, inputFilter ->
arrys[index] = inputFilter
}
arrys[filters.size] = EditTextUtils.getInputFilterProhibitEmoji()
filters = arrys
}
/**
* 过滤标点
*/
fun EditText.filterSp() {
var arrys = arrayOfNulls(filters.size+1)
filters.forEachWithIndex { index, inputFilter ->
arrys[index] = inputFilter
}
arrys[filters.size] = EditTextUtils.getInputFilterProhibitSP()
filters = arrys
}
/**
* 过滤emoji和标点
*/
fun EditText.filterSpAndEmoji() {
var arrys = arrayOfNulls(filters.size+2)
filters.forEachWithIndex { index, inputFilter ->
arrys[index] = inputFilter
}
arrys[filters.size] = EditTextUtils.getInputFilterProhibitSP()
arrys[filters.size+1] = EditTextUtils.getInputFilterProhibitEmoji()
filters = arrys
}
/**
* 对输入的金额进行格式化处理
*/
fun EditText.FormatMoney(back:((String)->(Unit))?) {
var et = this
var input = ""
this.addTextChangedListener(object : TextWatcher {
override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {}
override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {}
override fun afterTextChanged(s: Editable) {
var str = et.text?.toString()!!.trim()
//用于处理多个小数点输入问题
if (!TextUtils.isEmpty(str) && str.indexOf(".") != str.lastIndexOf(".")) {
et.setText(input)
et.setSelection(et.text!!.length)//将光标移至文字末尾
return
}
//控制输入时只能输入1个0
if (!TextUtils.isEmpty(str) && str == "00") {
et.setText("0")
et.setSelection(et.text!!.length)//将光标移至文字末尾
return
}
//控制输入时第一个为0第二位不为.的情况
if (!TextUtils.isEmpty(str) && str.length >= 2 && str.indexOf("0") == 0 && str.indexOf(".") != 1) {
et.setText(str.substring(1, str.length))
et.setSelection(et.text!!.length)//将光标移至文字末尾
return
}
input = str
//用于处理限制输入小数点后2位问题
val index = et.text?.indexOf(".")
if (index!! > 0 && index < et.text?.length!! - 3) {
val str = et.text?.substring(0, et.text?.toString()?.trim()?.indexOf(".")!! + 3)
et.setText(str)
et.setSelection(et.text!!.length)//将光标移至文字末尾
}
if (index == 0) {
et.setText("0" + et.text!!)
et.setSelection(et.text!!.length)//将光标移至文字末尾
}
back?.invoke(str)
}
})
}
/**
* 对输入的内容进行格式化处理
* 使输入的数字大于0
*/
fun EditText.formatNum(back:((String?)->(Unit))?=null) {
inputType = InputType.TYPE_CLASS_NUMBER
var et = this
this.addTextChangedListener(object : TextWatcher {
override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {}
override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {}
override fun afterTextChanged(s: Editable) {
var str = et.text?.toString()!!.trim()
//控制输入时只能输入1个0
if (!TextUtils.isEmpty(str)&&str.startsWith("0")&&str!="0") {
try {
et.setText(str.toInt().toString())
et.setSelection(str.length)
} catch (e: Exception) {
et.setText("1")
}
}
back?.invoke(str)
}
})
}
/**
* 添加键盘搜索监听
*/
fun EditText.addEditorActionListener(search: ((String?) -> (Unit))?) {
setOnEditorActionListener { v, actionId, _ ->
if (actionId == EditorInfo.IME_ACTION_SEARCH) {
search?.invoke(text.toString())
val imm = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
imm?.hideSoftInputFromWindow(v.windowToken, 0)
}
false
}
}
相关标点和表情过滤如下:
package com.szhg9.magicworkep.common.utils;
import android.text.InputFilter;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.TextUtils;
import android.widget.EditText;
import com.jess.arms.utils.ArmsUtils;
import com.szhg9.magicworkep.R;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class EditTextUtils {
/**
* 禁止EditText输入空格
*
* @param editText
*/
public static void setEditTextInhibitInputSpace(EditText editText) {
InputFilter filter = new InputFilter() {
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
if (source.equals(" ")) {
return "";
} else {
return null;
}
}
};
editText.setFilters(new InputFilter[]{filter});
}
/**
* 禁止EditText输入特殊字符
*
* @param editText
*/
public static void setEditTextInhibitInputSpeChat(EditText editText) {
InputFilter filter = new InputFilter() {
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
if (source.equals(" ")) {
return "";
} else {
String speChat = "[`～~!@#$%^&*()+-=|{}':;',\\[\\].<>/?~！@#￥%……&*（）——+|{}【】‘；：”“’。，、？]";
Pattern pattern = Pattern.compile(speChat);
Matcher matcher = pattern.matcher(source.toString());
if (matcher.find()) return "";
else return null;
}
}
};
editText.setFilters(new InputFilter[]{filter});
}
public static void setLengthInputFilter(EditText editText, final int maxLength){
InputFilter filter = new InputFilter() {
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
int dindex = 0;
int count = 0;
while (count <= maxLength && dindex < dest.length()) {
char c = dest.charAt(dindex++);
if (c < 128) {
count = count + 1;
} else {
count = count + 2;
}
}
if (count > maxLength) {
return dest.subSequence(0, dindex - 1);
}
int sindex = 0;
while (count <= maxLength && sindex < source.length()) {
char c = source.charAt(sindex++);
if (c < 128) {
count = count + 1;
} else {
count = count + 2;
}
}
if (count > maxLength) {
sindex--;
}
return source.subSequence(0, sindex);
}
};
editText.setFilters(new InputFilter[]{filter});
}
/**
* 禁止EditText输入特殊字符
*/
public static class InhibitInputSpeChatFilter implements InputFilter{
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
if (source.equals(" ")) {
return "";
} else {
String speChat = "[-`~!@#$%^&*()+=|{}':;',\\\\[\\\\].<>/?~！@#￥%……&*（）——+|{}【】‘；：”“’。，、？]";
Pattern pattern = Pattern.compile(speChat);
Matcher matcher = pattern.matcher(source.toString());
if (matcher.find()) return "";
else return null;
}
}
}
/**
* 限制EditText最大长度 中文2个字节, 英文1个字节
*/
public static class LengthInputFilter implements InputFilter {
private int maxLen = 0;
public LengthInputFilter(int maxLen) {
this.maxLen = maxLen;
}
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
int dindex = 0;
int count = 0;
while (count <= maxLen && dindex < dest.length()) {
char c = dest.charAt(dindex++);
if (c < 128) {
count = count + 1;
} else {
count = count + 2;
}
}
if (count > maxLen) {
return "";
}
int sindex = 0;
while (count <= maxLen && sindex < source.length()) {
char c = source.charAt(sindex++);
if (c < 128) {
count = count + 1;
} else {
count = count + 2;
}
}
if (count > maxLen) {
sindex--;
}
return source.subSequence(0, sindex);
}
}
public static InputFilter getInputFilterProhibitEmoji() {
InputFilter filter = new InputFilter() {
@Override
public CharSequence filter(CharSequence source, int start, int end,
Spanned dest, int dstart, int dend) {
StringBuffer buffer = new StringBuffer();
for (int i = start; i < end; i++) {
char codePoint = source.charAt(i);
if (!getIsEmoji(codePoint)) {
buffer.append(codePoint);
} else {
ArmsUtils.snackbarText("暂不支持表情输入");
i++;
continue;
}
}
if (source instanceof Spanned) {
SpannableString sp = new SpannableString(buffer);
TextUtils.copySpansFrom((Spanned) source, start, end, null,
sp, 0);
return sp;
} else {
return buffer;
}
}
};
return filter;
}
public static boolean getIsEmoji(char codePoint) {
if ((codePoint == 0x0) || (codePoint == 0x9) || (codePoint == 0xA)
|| (codePoint == 0xD)
|| ((codePoint >= 0x20) && (codePoint <= 0xD7FF))
|| ((codePoint >= 0xE000) && (codePoint <= 0xFFFD))
|| ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF)))
return false;
return true;
}
public static InputFilter getInputFilterProhibitSP() {
InputFilter filter = new InputFilter() {
@Override
public CharSequence filter(CharSequence source, int start, int end,
Spanned dest, int dstart, int dend) {
StringBuffer buffer = new StringBuffer();
for (int i = start; i < end; i++) {
char codePoint = source.charAt(i);
if (!getIsSp(codePoint)) {
buffer.append(codePoint);
} else {
ArmsUtils.snackbarText("暂不支持表情输入");
i++;
continue;
}
}
if (source instanceof Spanned) {
SpannableString sp = new SpannableString(buffer);
TextUtils.copySpansFrom((Spanned) source, start, end, null,
sp, 0);
return sp;
} else {
return buffer;
}
}
};
return filter;
}
public static boolean getIsSp(char codePoint){
if(Character.getType(codePoint)>Character.LETTER_NUMBER){
return true;
}
return false;
}
}