HelloAndroid/src/com/example/helloandroid/HelloAndroid.java

   1 package com.example.helloandroid;
   2
   3 import android.app.Activity;
   4 import android.os.Bundle;
   5 import android.widget.TextView;
   6 import android.view.View;
   7
   8
   9 public class HelloAndroid extends Activity {
  10         private TextView label;
  11
  12     /** Called when the activity is first created. */
  13     @Override
  14     public void onCreate(Bundle savedInstanceState) {
  15         super.onCreate(savedInstanceState);
  16         setContentView(R.layout.main);
  17         label = (TextView) findViewById(R.id.TextView01);
  18
  19     }
  20
  21     public void onButton1Click(View view) {
  22                 switch (view.getId()) {
  23                 case R.id.Button01:
  24                         label.setText("selam");
  25                         break;
  26                 }
  27     }
  28
  29 }