Android Activity 中常见的控件

核心提示：6. import android.widget.TextView;7.8. public class Result extends Activity{9. private TextView textView;10. @Override11. protected void onCreate(Bundle savedIn

6. import android.widget.TextView;

7.

8. public class Result extends Activity{

9. private TextView textView;

10. @Override

11. protected void onCreate(Bundle savedInstanceState) {

12. // TODO Auto-generated method stub

13. super.onCreate(savedInstanceState);

14. this.setContentView(R.layout.result);

15. Intent intent=getIntent();

16. textView=(TextView)findViewById(R.id.textView);

17. //获得传递过来的值

18. String strOne=intent.getStringExtra("one");

19. String strTwo=intent.getStringExtra("two");

20. int value=Integer.parseInt(strOne)*Integer.parseInt(strTwo);

21. textView.setText((value+""));

22.

23.

24. }

25.

26. }

package kaier.test; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.widget.TextView; public class Result extends Activity{ private TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); this.setContentView(R.layout.result); Intent intent=getIntent(); textView=(TextView)findViewById(R.id.textView); //获得传递过来的值 String strOne=intent.getStringExtra("one"); String strTwo=intent.getStringExtra("two"); int value=Integer.parseInt(strOne)*Integer.parseInt(strTwo); textView.setText((value+"")); } }

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main.xml

1. < ?xml version="1.0" encoding="utf-8"?>

2. < LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

3. android:orientation="vertical"

4. android:layout_width="fill_parent"

5. android:layout_height="fill_parent"

6. >

7. < EditText

8. android:id="@+id/strOne"