![EditText设置文字改变时的监听 EditText设置文字改变时的监听](https://image.shishitao.com:8440/aHR0cHM6Ly9ia3FzaW1nLmlrYWZhbi5jb20vdXBsb2FkL2NoYXRncHQtcy5wbmc%2FIQ%3D%3D.png?!?w=700&webp=1)
textWatcher = new TextChangeWatcher(); etQuerryInfo.addTextChangedListener(textWatcher); /**
* 文字改变类,文字改变时的监听
*/
private class TextChangeWatcher implements TextWatcher{
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
rlQuerryInfo.setVisibility(View.VISIBLE);
tvQuerryKey.setText(etQuerryInfo.getText().toString());
} @Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override
public void afterTextChanged(Editable s) { }
}
实现TextWatcher三个方法即可onTextChanged,beforeTextChanged,afterTextChanged