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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