3/23 工作记录，TextView 设置文字+图片 ，listView 复用，dimens适配

 android:drawableLeft="@drawable/dot_focus" drawable属性

ViewHolderholder=null;

if(convertView == null) {

holder=new ViewHolder();

convertView=View.inflate(MainActivity.this, R.layout.item, null);

holder.tv= (TextView) convertView.findViewById(R.id.tv);

convertView.setTag(holder);

}else{

holder=(ViewHolder) convertView.getTag();

}

holder.tv.setText(lists.get(position));

returnconvertView;

Dimens适配，1920*1080px 3

1280*7202  800*480 1.5  

 

Addheader("name","value");

Addbodyparameters("file",newFile（）);