public class AddressAdapter extends BaseAdapter {
Context context;
JSONArray arry;
Button btn;
private float downX; //点下时候获取的x坐标
private float upX; //手指离开时候的x坐标
/**
*
*/
public AddressAdapter(Context context, JSONArray arry) {
this.context = context;
this.arry = arry;
}
/* (non-Javadoc)
* @see android.widget.Adapter#getCount()
*/
@Override
public int getCount() {
return arry.length();
}
/* (non-Javadoc)
* @see android.widget.Adapter#getItem(int)
*/
@Override
public Object getItem(int position) {
try {
return arry.getJSONObject(position);
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
/* (non-Javadoc)
* @see android.widget.Adapter#getItemId(int)
*/
@Override
public long getItemId(int position) {
return position;
}
/* (non-Javadoc)
* @see android.widget.Adapter#getView(int, android.view.View, android.view.ViewGroup)
*/
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
TextView txt1, txt2;
final Button delBtn;
// 获得布局文件more_info_my.xml，里面定义了TextView和ImageView两个组件
convertView = LayoutInflater.from(context).inflate(
R.layout.address_lv_item, null);
txt1 = (TextView) convertView.findViewById(R.id.txt1);
txt2 = (TextView) convertView.findViewById(R.id.txt2);
delBtn = (Button) convertView.findViewById(R.id.btn1);
try{
txt1.setText(arry.getJSONObject(position).getString("address_title"));
txt2.setText(arry.getJSONObject(position).getString("address_create_time"));
delBtn.setTag(arry.getJSONObject(position).getString("address_id"));
}catch(JSONException e){
e.printStackTrace();
}
// 返回的convertView对象将作为ListView的列表项
convertView.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
downX = event.getX();
upX = 0;
if (btn != null) {
btn.setVisibility(View.GONE); //影藏显示出来的button
}
break;
case MotionEvent.ACTION_UP:
upX = event.getX();
if (btn != null) {
btn.setVisibility(View.GONE); //影藏显示出来的button
}
break;
}
if(delBtn != null){
if(upX == 0.0){
return true;
}
if(Math.abs(downX - upX) > 35){
delBtn.setVisibility(View.VISIBLE);
btn = delBtn;
return true;
}
return false;
}
return false;
}
});
delBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(context, v.getTag().toString(), Toast.LENGTH_SHORT).show();
arry = RemoveJSONArray(arry,position);
notifyDataSetChanged();
}
});
return convertView;
}
/**
* 删除JSONArry内的JSONObject
* @param jarray
* @param pos
* @return
*/
public static JSONArray RemoveJSONArray( JSONArray jarray,int pos) {
JSONArray Njarray=new JSONArray();
try{
for(int i=0;i
if(i!=pos)
Njarray.put(jarray.get(i));
}
}catch (Exception e){
e.printStackTrace();
}
return Njarray;
}
}
