[android]手工编写UI

      

public class DemoActivity extends Activity {

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

     

        //setContentView(R.layout.main);

        //手工编写UI布局

        LinearLayout ll = new LinearLayout(this);

        //竖直方式

        ll.setOrientation(LinearLayout.VERTICAL);

        //宽高

        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(

                  LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.FILL_PARENT);

        ll.setLayoutParams(params);

       

        //文本显示框

        TextView tv = new TextView(this);

        tv.setText(R.string.hello);

        ll.addView(tv, LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);

       

        //文本框

        EditText et = new EditText(this);

        ll.addView(et, ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);

       

        setContentView(ll);

    }

}