好记性不如烂笔头
private final int MAX_NUM = 150;
etInputAssess.setFilters(new InputFilter[]{new InputFilter.LengthFilter(MAX_NUM)});etInputAssess.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
tvNumLimit.setText(s.length() + "/" + MAX_NUM);
}
@Override
public void afterTextChanged(Editable s) {
}
});
两个方法,1设置textview的最大字数,可以用代码也可以在xml中
2 设置监听来给出当前提示