I have tried it, but no do correct.
.java:
import android.app.Activity;
import android.os.Bundle;
import android.widget.LinearLayout;
import android.widget.Button;
public class helloworld extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LinearLayout layout = (LinearLayout) findViewById
(R.id.mainlayout);
Button bt = new Button(this);
bt.setText(Button);
layout.addView(bt);
setContentView(layout);
}
}
main.xml
?xml version=1.0 encoding=utf-8?
LinearLayout xmlns:android=http://schemas.android.com/apk/res/
android
android:id=@+id/mainlayout
android:orientation=vertical
android:layout_width=fill_parent
android:layout_height=fill_parent
TextView
android:layout_width=fill_parent
android:layout_height=wrap_content
android:text=@string/hello
/
/LinearLayout
On 5月4日, 下午6时08分, 6real xirgon...@gmail.com wrote:
Hi,
did you try to :
give an ID to your layout
find it with the findViewById method
then you can add your view.
Rgds,,
C.
On May 4, 11:28 am, rjy...@gmail.com rjy...@gmail.com wrote:
Hi
I create a application and the main activity reference by the
main.xml.
The main.xml has a LinearLayout element. So my code is setContentView
(R.layout.main) to show the main window.I need add other element such
as Button or EditView, but I don't want add the XML line to the
main.xml.I hope use the layout.addView(...) to add the elements to my
Activity. So I need get the current LinearLayout object and can invoke
the addView function.
So How can I get the default layout?
Thanks.
RongJun Ying
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