Android EditText 格式化手机号 xxx xxxx xxxx
一晚上的工作成果。。。不废话，直接上代码！
layout文件
public class TextWatcherUtil {
public interface Callback{
void callback();
}
public static void addPhoneNumberTextWatcher(final EditText editText, final Callback callback) {
TextWatcher textWatcher = new TextWatcher() {
private int start = 0;
private int before = 0;
private int count = 0;
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
this.start = start;
this.before = before;
this.count = count;
}
@Override
public void afterTextChanged(Editable s) {
try {
filterPhoneNumber(s);
} catch (Exception e) {
}
}
public void filterPhoneNumber(Editable s) throws Exception {
String temp = s.toString();
int selection = editText.getSelectionStart();
char[] arr = temp.toCharArray();
boolean isMatch = true;
if (count > 0) {
for (int i = start; i < start + count; i++) {
int c = arr[i];
if (!(c == 32 || (c >= 48 && c <= 57))) {//不是空格 并且 不是数字
isMatch = false;
break;
}
}
}
if (isMatch) {
boolean needReset = false;
if (arr.length >= 4) {
if (arr[3] != 32) {
needReset = true;
}
}
if (!needReset && arr.length >= 9) {
if (arr[8] != 32) {
needReset = true;
}
}
if (!needReset) {
for (int i = 0; i < arr.length; i++) {
if (arr[i] == 32) {
if (i != 3 && i != 8) {
needReset = true;
break;
}
}
}
}
if (needReset) {
temp = temp.replace(" ", "");
if (count > 0) {
if (temp.length() >= 7) {
s.clear();
s.append(temp.substring(0, 3) + " " + temp.substring(3, 7) + " " + temp.substring(7, temp.length()));
editText.setSelection(selection - 1);
} else if (temp.length() >= 3) {
s.clear();
s.append(temp.substring(0, 3) + " " + temp.substring(3, temp.length()));
editText.setSelection(selection - 1);
}
} else if (before > 0) {
if (selection == 3) {
s.clear();
if (temp.length() >= 8) {
s.append(temp.substring(0, 2) + temp.substring(3, 4) + " " + temp.substring(4, 7) + " " + temp.substring(7, temp.length()));
} else if (temp.length() >= 4) {
s.append(temp.substring(0, 2) + temp.substring(3, 4) + " " + temp.substring(4, temp.length()));
}
editText.setSelection(selection - 1);
} else if (selection == 8) {
s.clear();
if (temp.length() >= 8) {
s.append(temp.substring(0, 3) + " " + temp.substring(3, 6) + " " + temp.substring(7, temp.length()));
}
editText.setSelection(selection - 1);
} else if (temp.length() >= 7) {
s.clear();
s.append(temp.substring(0, 3) + " " + temp.substring(3, 7) + " " + temp.substring(7, temp.length()));
editText.setSelection(selection);
} else if (temp.length() >= 3) {
s.clear();
s.append(temp.substring(0, 3) + " " + temp.substring(3, temp.length()));
editText.setSelection(selection);
}
}
} else {
if (count > 0) {
if (temp.length() == 3 || temp.length() == 8) {
s.append(" ");
}
} else if (before > 0) {
if (temp.length() == 3 || temp.length() == 8) {
s.delete(temp.length() - 1, temp.length());
}
}
}
if (callback != null)
callback.callback();
} else {
s.delete(start, start + count);
}
}
};
editText.addTextChangedListener(textWatcher);
}
public static void addPasswordTextWatcher(final EditText editText, final Callback callback) {
TextWatcher textWatcher = new TextWatcher() {
private int start = 0;
private int count = 0;
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
this.start = start;
this.count = count;
}
@Override
public void afterTextChanged(Editable s) {
try {
String temp = s.toString();
char[] arr = temp.toCharArray();
boolean isMatch = true;
if (count > 0) {
for (int i = start; i < start + count; i++) {
int c = arr[i];
if (!((c >= 48 && c <= 57) || (c >= 65 && c <= 90) || (c >= 97 && c <= 122))) {//不是数字 && 不是小写字母 && 不是大写字母
isMatch = false;
break;
}
}
}
if (isMatch) {
if (callback != null)
callback.callback();
} else {
s.delete(start, start + count);
}
} catch (Exception e) {
}
}
};
editText.addTextChangedListener(textWatcher);
}
}工具类里一个是验证手机号，一个是验证密码
使用方法如下
TextWatcherUtil.addPhoneNumberTextWatcher(phoneNumberEditText, new TextWatcherUtil.Callback() {
@Override
public void callback() {
//todo edittext changed后回调
}
});