使用命令建立简单的布局

1.xml生成的
<?xml version=”1.0” encoding=”utf-8”?>
<LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android”
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=”Hello World, HelloWorld”
/>
</LinearLayout>
2.代码写的hello world!
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
LinearLayout.LayoutParams lp;
lp = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.FILL_PARENT);
LinearLayout.LayoutParams textViewLP;
textViewLP = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT);
LinearLayout ll = new LinearLayout(this);
ll.setOrientation(LinearLayout.VERTICAL);
TextView myTextView = new TextView(this);
myTextView.setText(“Hello World, HelloWorld”);
ll.addView(myTextView, textViewLP);
this.addContentView(ll, lp);
}

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