Android手机号码输入框（满11位自动跳到下个输入框）实例代码

package com.jixiong.teen.view;
import android.content.Context;
import android.text.Editable;
import android.text.Selection;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.widget.EditText;
/**
 * Created by christy on 16/12/22.
 */
public class MoblieEditText extends EditText {
  public MoblieEditText(Context context) {
    super(context);
    this.addTextChangedListener(new MoblieWatcher());
  }
  public MoblieEditText(Context context, AttributeSet attrs) {
    super(context, attrs);
    this.addTextChangedListener(new MoblieWatcher());
  }
  public MoblieEditText(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    this.addTextChangedListener(new MoblieWatcher());
  }
  class MoblieWatcher implements TextWatcher {
    int beforeTextLength = 0;
    int OnTextLength= 0;
    boolean isChanged = false;
    int location = 0;// 记录光标的位置
    private char[] tempChar;
    private final StringBuffer buffer = new StringBuffer();
    int kOnggeNumberB= 0;
    @Override
    public void beforeTextChanged(CharSequence s, int start, int count,
                   int after) {
      beforeTextLength = s.length();
      if (buffer.length() > 0) {
        buffer.delete(0, buffer.length());
      }
      kOnggeNumberB= 0;
      for (int i = 0; i  konggeNumberB) {
          location += (konggeNumberC - konggeNumberB);
        }
        tempChar = new char[buffer.length()];
        buffer.getChars(0, buffer.length(), tempChar, 0);
        String str = buffer.toString();
        if (location > str.length()) {
          location = str.length();
        } else if (location <0) {
          location = 0;
        }
        setText(str);
        Editable etable = getText();
        Selection.setSelection(etable, location);
        isChanged = false;
      }
    }
  }
}

etUserNums.addTextChangedListener(new TeenEmptyWatcher() {
  @Override
  public void onTextChanged(CharSequence s, int start, int before, int count) {
  }
  @Override
  public void afterTextChanged(Editable s) {
    if (s != null && s.length() == 13) {
      if (etUserNums.isFocused()) {
        etUserNums.clearFocus();
        etUserPwd.requestFocus();
      }
    }
  }
});