editText.addTextChangedListener(new TextWatcher(){ public void afterTextChanged(Editable s) { // TODO Auto-generated method stub //s:变化后的所有字符 Toast.makeText(getApplicationContext(), "变化:"+s, Toast.LENGTH_SHORT).show(); } public void b
public class LengthFilter implements InputFilter { public LengthFilter(int max) { mMax = max; } @Override public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) { int keep = mMax - (dest.length() - (de
说明: 在横屏输入的内容,在Activity销毁后,即横屏后,获取用户输入的内容 步骤: 1.在xml页面定义EditText的id 2.用onSaveInstanceState保存用户输入的数据 (1)调父类 (2)用findViewById使用id查找并获取View的实例(View所有控件的父类,再强制转换一下) (3)找到实例,获取文本内容:转为字符串 get (4)将获取到内容保存起来 put 3.用onRestoreInstanceState恢复数据 (1)先获取数据 get (2)操
先来效果图: 设置手机格式化操作只需要设置EditText的addTextChangedListener的监听,下面看代码 /*editText输入监听*/ et_activity_up_login_phone.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) { } @Overri