//绝对布局
AbsoluteLayout
abslayout=new AbsoluteLayout
(this);
setContentView(abslayout);
Button btn1 = new
Button(this);
btn1.setText(”this is a
button”);
btn1.setId(1);
AbsoluteLayout.LayoutParams lp1
=
new
AbsoluteLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT,
0,100);
abslayout.addView(btn1,
lp1);
//相对布局
RelativeLayout
relativeLayout = new
RelativeLayout(this);
setContentView(relativeLayout);
AbsoluteLayout
abslayout=new AbsoluteLayout (this);
RelativeLayout.LayoutParams
lp1 =
newRelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT);
lp1.addRule(RelativeLayout.ALIGN_PARENT_TOP);
lp1.addRule(RelativeLayout.CENTER_HORIZONTAL,RelativeLayout.TRUE);
relativeLayout.addView(abslayout
,lp1);
//线性布局
LinearLayout
ll = new LinearLayout(this);
EditText et = new
EditText();
ll.addView(et);
//动态添加布局的方法1.
LinearLayout ll = (LinearLayout)this.getLayoutInflater().inflate(R.layout.main1,null);
setContentView(ll);
LinearLayout ll2 = (LinearLayout)this.getLayoutInflater().inflate(R.layout.main2,ll);
//这样 main2 作为 main1的子布局 加到了 main1的 根节点下
//动态添加布局的方法2 addView.
LinearLayout ll = (LinearLayout)this.getLayoutInflater().inflate(R.layout.main1,null);
setContentView(ll);
LinearLayout ll2 = (LinearLayout)this.getLayoutInflater().inflate(R.layout.main2,null);
ll.addView(ll2);
