89 lines
2.6 KiB
Plaintext
89 lines
2.6 KiB
Plaintext
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package com.example.administrator.ximengjianyu.utils;
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import android.app.Activity;
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import android.text.Editable;
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import android.text.TextWatcher;
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import android.view.View;
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import android.widget.EditText;
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import android.widget.ImageView;
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/**
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* Created by xukai on 2017/1/11.
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* 该类是对于Edittext的一些操作吧
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*/
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public class EdittextUtils {
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public String TAG = "EdittextUtils";
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private static EdittextUtils mEditText;
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private EdittextUtils() {
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}
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private static void syncInit(){
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if (mEditText == null){
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mEditText = new EdittextUtils();
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}
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}
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public static EdittextUtils getEdittext(){
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if (mEditText == null){
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syncInit();
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}
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return mEditText;
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}
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/**
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* 创建方法，设置EditText的光标指向最后一位
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*/
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public void makeEdittextToLast(EditText edittext){
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edittext.setCursorVisible(true);
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edittext.setSelection(edittext.getText().length());
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}
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/**
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* created by xukai:
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* 该方法用来清除editText的相关内容
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*/
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public void clearEdittext(final EditText et, final ImageView iv) {
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String text = et.getText().toString();
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if (text == null) {//用户名为空，删除不可见
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iv.setVisibility(View.GONE);
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} else if (text.length() == 0) { //不为空，长度=0，也不可见
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iv.setVisibility(View.GONE);
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} else if (text.length() > 0) { //不为空，长度大于0
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iv.setVisibility(View.VISIBLE);
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}
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et.addTextChangedListener(new TextWatcher() {
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@Override
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public void beforeTextChanged(CharSequence s, int start, int count, int after) {
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}
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@Override
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public void onTextChanged(CharSequence s, int start, int before, int count) {
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}
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@Override
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public void afterTextChanged(Editable s) {
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if(et.getText().length()==0){
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iv.setVisibility(View.GONE);
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return;
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}
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iv.setVisibility(View.VISIBLE); //设置清除内容图标可见
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}
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});
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}
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/**
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* EditText获取焦点并显示软键盘
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*/
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public void showSoftInputFromWindow(Activity activity, EditText editText) {
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editText.setFocusable(true);
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editText.setFocusableInTouchMode(true);
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editText.requestFocus();
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InputUtils utils = new InputUtils();
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utils.showSoftInput(activity);
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}
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}
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