Android 如何在expandable RecyclerView中合并同名标头
我有这样一个可扩展的回收视图Android 如何在expandable RecyclerView中合并同名标头,android,expandablelistview,expandablelistadapter,android-json,expandablerecyclerview,Android,Expandablelistview,Expandablelistadapter,Android Json,Expandablerecyclerview,我有这样一个可扩展的回收视图 我想合并相同的命名标题（如“Nov 172016”）。并在一个地方添加他们的孩子。 和图标位置必须保持不变。如何做到这一点？ 以下是我的json响应： {"Table": [{"filedate":"Oct 25, 2016","clientid":4}, {"filedate":"Nov 17, 2016","clientid":4}, {"filedate":"Nov 16, 2016","clientid":4}], "Table1": [{"file
我想合并相同的命名标题（如“Nov 172016”）。并在一个地方添加他们的孩子。 和图标位置必须保持不变。如何做到这一点？ 以下是我的json响应：
{"Table":
[{"filedate":"Oct 25, 2016","clientid":4},
{"filedate":"Nov 17, 2016","clientid":4},
{"filedate":"Nov 16, 2016","clientid":4}],
"Table1":
[{"filedate":"Oct 25, 2016","file1":"12.txt","category":"Category : Bank Statement"},
{"filedate":"Nov 16, 2016","file1":"Readme.docx","category":"Category : Bank Statement"},
{"filedate":"Nov 17, 2016","file1":"hts-log.txt","category":"Category : Bills"},
{"filedate":"Nov 17, 2016","file1":"cookies.txt","category":"Category : Others",},
{"filedate":"Nov 17, 2016","file1":"readme.txt","category":"Category : Invoice",}]}
private void prepareListData() {
// Volley's json array request object
StringRequest stringRequest = new StringRequest(Request.Method.POST, REGISTER_URL,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
// Log.d(TAG, response.toString());
// hidePDialog();
JSONObject object = null;
try {
object = new JSONObject(response);
} catch (JSONException e) {
e.printStackTrace();
}
JSONArray jsonarray = null;
JSONArray jsonarray1 = null;
try {
jsonarray = object.getJSONArray("Table1");
jsonarray1 = object.getJSONArray("Table1");
} catch (JSONException e) {
e.printStackTrace();
}
// JSONArray jsonarray1 = object.getJSONArray("Table2");
for (int i = 0; i < jsonarray.length(); i++) {
try {
JSONObject obj = jsonarray.getJSONObject(i);
// Movie movie = new Movie();
// movie.setFiledate(obj.getString("filedate"));
String str = obj.optString("filedate").trim();
Log.d("test", str);
data.add(new ExpandableListAdapter.Item(ExpandableListAdapter.HEADER, str));
// Toast.makeText(getApplicationContext(), lth, Toast.LENGTH_LONG).show();
for (int j = 0; j < jsonarray1.length(); j++) {
try {
JSONObject obj1 = jsonarray1.getJSONObject(j);
String str1 = obj1.optString("filedate").trim();
String str2 = obj1.optString("file1").trim();
String str3 = obj1.optString("filename").trim();
String str4 = obj1.optString("category").trim();
Toast.makeText(getApplicationContext(), "server data respone", Toast.LENGTH_LONG).show();
Toast.makeText(getApplicationContext(), "test"+str1, Toast.LENGTH_LONG).show();
if (str == str1) {
data.add(new ExpandableListAdapter.Item(ExpandableListAdapter.CHILD, str4));
data.add(new ExpandableListAdapter.Item(ExpandableListAdapter.CHILD, str2));
}
Toast.makeText(getApplicationContext(), str1, Toast.LENGTH_LONG).show();
//if condition
} catch (JSONException e) {
// Log.e(TAG, "JSON Parsing error: " + e.getMessage());
}
}
// adding movie to movies array
} catch (JSONException e) {
Log.e("gdshfsjkg", "JSON Parsing error: " + e.getMessage());
}
} Log.d("test", String.valueOf(data));
// notifying list adapter about data changes
// so that it renders the list view with updated data
// adapterheader.notifyDataSetChanged();
recyclerview.setAdapter(new ExpandableListAdapter(data));
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
// VolleyLog.d(TAG, "Error: " + error.getMessage());
// hidePDialog();
}
}){
@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put(CLIENT, "4");
return params;
}
};
// Adding request to request queue
MyApplication.getInstance().addToRequestQueue(stringRequest);
}
{"Table":
[{"filedate":"Oct 25, 2016","clientid":4},
{"filedate":"Nov 17, 2016","clientid":4},
{"filedate":"Nov 16, 2016","clientid":4}],
"Table1":
[{"filedate":"Oct 25, 2016","file1":"12.txt","category":"Category : Bank Statement"},
{"filedate":"Nov 16, 2016","file1":"Readme.docx","category":"Category : Bank Statement"},
{"filedate":"Nov 17, 2016","file1":"hts-log.txt","category":"Category : Bills"},
{"filedate":"Nov 17, 2016","file1":"cookies.txt","category":"Category : Others",},
{"filedate":"Nov 17, 2016","file1":"readme.txt","category":"Category : Invoice",}]}
private void prepareListData() {
// Volley's json array request object
StringRequest stringRequest = new StringRequest(Request.Method.POST, REGISTER_URL,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
// Log.d(TAG, response.toString());
// hidePDialog();
JSONObject object = null;
try {
object = new JSONObject(response);
} catch (JSONException e) {
e.printStackTrace();
}
JSONArray jsonarray = null;
JSONArray jsonarray1 = null;
try {
jsonarray = object.getJSONArray("Table1");
jsonarray1 = object.getJSONArray("Table1");
} catch (JSONException e) {
e.printStackTrace();
}
// JSONArray jsonarray1 = object.getJSONArray("Table2");
for (int i = 0; i < jsonarray.length(); i++) {
try {
JSONObject obj = jsonarray.getJSONObject(i);
// Movie movie = new Movie();
// movie.setFiledate(obj.getString("filedate"));
String str = obj.optString("filedate").trim();
Log.d("test", str);
data.add(new ExpandableListAdapter.Item(ExpandableListAdapter.HEADER, str));
// Toast.makeText(getApplicationContext(), lth, Toast.LENGTH_LONG).show();
for (int j = 0; j < jsonarray1.length(); j++) {
try {
JSONObject obj1 = jsonarray1.getJSONObject(j);
String str1 = obj1.optString("filedate").trim();
String str2 = obj1.optString("file1").trim();
String str3 = obj1.optString("filename").trim();
String str4 = obj1.optString("category").trim();
Toast.makeText(getApplicationContext(), "server data respone", Toast.LENGTH_LONG).show();
Toast.makeText(getApplicationContext(), "test"+str1, Toast.LENGTH_LONG).show();
if (str == str1) {
data.add(new ExpandableListAdapter.Item(ExpandableListAdapter.CHILD, str4));
data.add(new ExpandableListAdapter.Item(ExpandableListAdapter.CHILD, str2));
}
Toast.makeText(getApplicationContext(), str1, Toast.LENGTH_LONG).show();
//if condition
} catch (JSONException e) {
// Log.e(TAG, "JSON Parsing error: " + e.getMessage());
}
}
// adding movie to movies array
} catch (JSONException e) {
Log.e("gdshfsjkg", "JSON Parsing error: " + e.getMessage());
}
} Log.d("test", String.valueOf(data));
// notifying list adapter about data changes
// so that it renders the list view with updated data
// adapterheader.notifyDataSetChanged();
recyclerview.setAdapter(new ExpandableListAdapter(data));
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
// VolleyLog.d(TAG, "Error: " + error.getMessage());
// hidePDialog();
}
}){
@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put(CLIENT, "4");
return params;
}
};
// Adding request to request queue
MyApplication.getInstance().addToRequestQueue(stringRequest);
}
private void prepareListData（）{
//Volley的json数组请求对象
StringRequest StringRequest=新建StringRequest（Request.Method.POST，REGISTER\u URL，
新的Response.Listener（）{
@凌驾
公共void onResponse（字符串响应）{
//Log.d（TAG，response.toString（））；
//hidePDialog（）；
JSONObject对象=null；
试一试{
对象=新的JSONObject（响应）；
}捕获（JSONException e）{
e、 printStackTrace（）；
}
JSONArray JSONArray=null；
JSONArray jsonarray1=null；
试一试{
jsonarray=object.getJSONArray（“表1”）；
jsonarray1=object.getJSONArray（“表1”）；
}捕获（JSONException e）{
e、 printStackTrace（）；
}
//JSONArray jsonarray1=object.getJSONArray（“表2”）；
for（int i=0；ipublic class ExpandableListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
public static final int HEADER = 0;
public static final int CHILD = 1;
private List<Item> data;
public ExpandableListAdapter(List<Item> data) {
this.data = data;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int type) {
View view = null;
Context context = parent.getContext();
float dp = context.getResources().getDisplayMetrics().density;
int subItemPaddingLeft = (int) (18 * dp);
int subItemPaddingTopAndBottom = (int) (5 * dp);
LayoutInflater inflater = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
switch (type) {
case HEADER:
view = inflater.inflate(R.layout.list_header, parent, false);
ListHeaderViewHolder header = new ListHeaderViewHolder(view);
return header;
case CHILD:
view = inflater.inflate(R.layout.listchild, parent, false);
ListChildViewHolder child = new ListChildViewHolder(view);
return child;
}
return null;
}
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
final Item item = data.get(position);
switch (item.type) {
case HEADER:
final ListHeaderViewHolder itemController = (ListHeaderViewHolder) holder;
itemController.refferalItem = item;
itemController.header_title.setText(item.text);
if (item.invisibleChildren == null) {
itemController.btn_expand_toggle.setImageResource(R.drawable.circle_minus);
} else {
itemController.btn_expand_toggle.setImageResource(R.drawable.circle_plus);
}
itemController.btn_expand_toggle.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (item.invisibleChildren == null) {
item.invisibleChildren = new ArrayList<Item>();
int count = 0;
int pos = data.indexOf(itemController.refferalItem);
while (data.size() > pos + 1 && data.get(pos + 1).type == CHILD) {
item.invisibleChildren.add(data.remove(pos + 1));
count++;
}
notifyItemRangeRemoved(pos + 1, count);
itemController.btn_expand_toggle.setImageResource(R.drawable.circle_plus);
} else {
int pos = data.indexOf(itemController.refferalItem);
int index = pos + 1;
for (Item i : item.invisibleChildren) {
data.add(index, i);
index++;
}
notifyItemRangeInserted(pos + 1, index - pos - 1);
itemController.btn_expand_toggle.setImageResource(R.drawable.circle_minus);
item.invisibleChildren = null;
}
}
});
break;
case CHILD:
boolean showIcon = position > 1 && getItemViewType(position) == CHILD && getItemViewType(position - 2) == HEADER;
final ListChildViewHolder itemController1 = (ListChildViewHolder) holder;
itemController1.refferalItem = item;
itemController1.header_title1.setText(item.text);
itemController1.btn_expand_toggle1.setVisibility((showIcon) ? View.VISIBLE : View.GONE);
break;
}
}
@Override
public int getItemViewType(int position) {
return data.get(position).type;
}
@Override
public int getItemCount() {
return data.size();
}
private static class ListHeaderViewHolder extends RecyclerView.ViewHolder {
public TextView header_title;
public ImageView btn_expand_toggle;
public Item refferalItem;
public ListHeaderViewHolder(View itemView) {
super(itemView);
header_title = (TextView) itemView.findViewById(R.id.header_title);
btn_expand_toggle = (ImageView) itemView.findViewById(R.id.btn_expand_toggle);
}
}
private static class ListChildViewHolder extends RecyclerView.ViewHolder {
public TextView header_title1;
public ImageView btn_expand_toggle1;
public Item refferalItem;
public ListChildViewHolder(View itemView) {
super(itemView);
header_title1 = (TextView) itemView.findViewById(R.id.header_title1);
btn_expand_toggle1 = (ImageView) itemView.findViewById(R.id.btn_expand_toggle1);
}
}
public static class Item {
public int type;
public String text;
public List<Item> invisibleChildren;
public Item() {
}
public Item(int type, String text) {
this.type = type;
this.text = text;
}
}
}