- import android.app.Activity;
- import android.os.Bundle;
- import android.text.Editable;
- import android.text.TextWatcher;
- import android.widget.EditText;
- public class ActMain extends Activity {
- private EditText et_search;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- et_search = (EditText) findViewById(R.id.et_search);
- et_search.addTextChangedListener(textWatcher);
- }
- private TextWatcher textWatcher = new TextWatcher() {
- @Override
- public void onTextChanged(CharSequence s, int start, int before,
- int count) {
- //
- System.out.println("-1-onTextChanged-->"
- + et_search.getText().toString() + "<--");
- }
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count,
- int after) {
- //
- System.out.println("-2-beforeTextChanged-->"
- + et_search.getText().toString() + "<--");
- }
- @Override
- public void afterTextChanged(Editable s) {
- //
- System.out.println("-3-afterTextChanged-->"
- + et_search.getText().toString() + "<--");
- }
- };
- }
时间: 2024-11-11 14:03:02