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 <[email protected]> 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, "[email protected]" <[email protected]> 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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