Android使用绝对布局AbsoluteLayout动态添加控件

• layout.xml

• Activity

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.eframe);
        
        absLayout = (AbsoluteLayout)findViewById(R.id.absolute_layout);
        absLayout.setBackgroundColor(Color.RED);
    }

• 新建控件

        tv = new TextView(this.getApplicationContext());
        tv.setBackgroundColor(Color.BLUE);
        tv.setText("泰山Office");

• 添加控件

        AbsoluteLayout.LayoutParams params = new AbsoluteLayout.LayoutParams(width, height, x, y);
        absLayout.addView(v, params);

需要强调的是，如果之前给控件设置宽高，添加时获取，是错误的。以下代码无效：

v.setWidth( 300);
v.setHeight(100);

# 无法显示出来。因为得到的宽高是0。
AbsoluteLayout.LayoutParams params = new AbsoluteLayout.LayoutParams(v.getWidth(), v.getHeight(), x, y);
 absLayout.addView(v, params);