import android.text.TextWatcher;
import android.text.Editable;
:
final EditText e = new EditText(layout.getContext());
final TextView t = new TextView(layout.getContext());
e.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
// TODO Auto-generated method stub
}
@Override
public void onTextChanged(CharSequence s, int start, int before,
int count) {
// TODO Auto-generated method stub
if(e.getText().length()==0)
{
t.setText("無文字");
}
else{
t.setText(e.getText());
}
}
@Override
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub
}
}); //e.addTextChangedListener
