/*
MainActivity中代码
*/
1 package com.example.codeUI;
2
3 import android.app.Activity;
4 import android.os.Bundle;
5 import android.view.Gravity;
6 import android.widget.LinearLayout;
7 import android.widget.TextView;
8
9 public class MainActivity extends Activity {
10
11 @Override
12 protected void onCreate(Bundle savedInstanceState) {
13 super.onCreate(savedInstanceState);
14 LinearLayout ll=new LinearLayout(this);
15 ll.setGravity(Gravity.CENTER);
16 TextView tv=new TextView(this);
17 tv.setTextSize(20.0f);
18 tv.setText("江西");
19 ll.addView(tv);
20 setContentView(ll);
21 }
22 }