- TextWatcher tw = new TextWatcher() {
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count,
- int after) {
- Log.e("beforeTextChanged", "-----------------------");
- Log.e("beforeTextChanged", "s:" + s + " start:" + start + " count:"
- + count + " after:" + after);
- // s:之前的文字内容
- // start:添加文字的位置(从0开始)
- // count:不知道 一直是0
- // after:添加的文字总数
- }
- @Override
- public void onTextChanged(CharSequence s, int start, int before,
- int count) {
- Log.e("onTextChanged", "-----------------------");
- Log.e("onTextChanged", "s:" + s + " start:" + start + " before:"
- + before + " count:" + count);
- // s:之后的文字内容
- // start:添加文字的位置(从0开始)
- // before:不知道 一直是0
- // before:添加的文字总数
- }
- @Override
- public void afterTextChanged(Editable s) {
- Log.e("afterTextChanged", "-----------------------");
- Log.e("afterTextChanged", "s:" + s);
- // s:之后的文字内容
- }
- };
- tv.addTextChangedListener(tw);