给ListView增加Header,实现一起滑动

//1.声明头布局

RelativeLayout listview_header=

(RelativeLayout)getLayoutInflater().inflate(R.layout.listview_header_layout,lv, false);

//初始化头布局内的部件

     textView_updateTime=(TextView)listview_header.findViewById(R.id.textview_updateTime);

     textView_tianqiToday=(TextView)listview_header.findViewById(R.id.textview_tianqi_today);

     textView_weekToday=(TextView)listview_header.findViewById(R.id.textview_week_today);

     imageView_backgruond=(ImageView)listview_header.findViewById(R.id.iv_header_backgruond);

//2.提供适配器

adapter=new ListAdapter02(this);

//3.添加header,必须在setAdapter之前

lv.addHeaderView(listview_header);

//4.实现适配

lv.setAdapter(adapter);

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