Registering events for views

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MainActivity.java

1. package com.registerevent;
2. import android.app.Activity;
3. import android.os.Bundle;
4. import android.view.Menu;
5. import android.view.View;
6. import android.view.View.OnClickListener;
7. import android.widget.Button;
8. import android.widget.Toast;
9. public class MainActivity extends Activity {
10. Button b1, b2;
11. @Override
12. protected void onCreate(Bundle savedInstanceState) {
13. super.onCreate(savedInstanceState);
14. setContentView(R.layout.activity_main);
15. b1 = (Button) findViewById(R.id.button1);
16. b2 = (Button) findViewById(R.id.button2);
17. b1.setOnClickListener(bListener);
18. b2.setOnClickListener(bListener);
19. }
20. private OnClickListener bListener = new OnClickListener()
21. {
22. @Override
23. public void onClick(View v) {
24. // TODO Auto-generated method stub
25. String label = ((Button)v).getText().toString();
26. Toast.makeText(getBaseContext(), "you click" +label, Toast.LENGTH_LONG).show();
27. }
28. };
29. @Override
30. public boolean onCreateOptionsMenu(Menu menu) {
31. // Inflate the menu; this adds items to the action bar if it is present.
32. getMenuInflater().inflate(R.menu.main, menu);
33. return true;
34. }
35. }

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Tuesday, 21 May 2013