enter image description here当我点击黑心按钮时，我用红心按钮替换它，但它反映了我再次来到这个页面。不是在点击的同时。 所以帮我解决这个问题。 我在下面添加了图片。
这是我的活动课
public class Productpage extends AppCompatActivity implements SearchView.OnQueryTextListener {
private FloatingActionButton fab;
// GridView gridView;
RecyclerView recyclerView;
private GridLayoutManager lLayout;
String trading,flag,newest,high,low,newest1="newest",custid,catid;
MyAdapter1 mAdapter;
SearchView mSearchView;
ArrayList<productinfo> sliderList;
String []para;
Intent intent;
int spanCount = 2; // 3 columns
int spacing = 2; // 50px
boolean includeEdge = false;
Button btncart;
String cartcount;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_productpage);
// gridView = (GridView)findViewById(R.id.gridview);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar1);
setSupportActionBar(toolbar);
/* View inflated = getLayoutInflater().inflate(R.layout.action_bar_notifitcation_icon, null);
toolbar.addView(inflated);*/
// btncart=(Button) toolbar.findViewById(R.id.actionNotifications);
lLayout = new GridLayoutManager(getApplicationContext(), 2);
recyclerView = (RecyclerView) findViewById(R.id.recyclerMen);
recyclerView.addItemDecoration(new GridSpacingItemDecoration(spanCount, spacing, includeEdge));
recyclerView.setHasFixedSize(true);
recyclerView.setLayoutManager(lLayout);
SharedPreferences sharedPref2 = getApplicationContext().getSharedPreferences("notificationcart", Context.MODE_PRIVATE);
cartcount=sharedPref2.getString("cartcount","");
getproductdata();
fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
/* Toast.makeText(getApplicationContext(),"filter is open here",Toast.LENGTH_LONG).show();*/
Intent intent=new Intent(getApplicationContext(),FilteredBy.class);
startActivity(intent);
}
});
intent=getIntent();
String action=intent.getAction();
if(action.equals("home")){
flag=intent.getStringExtra("flag");
custid=intent.getStringExtra("custid");
catid=intent.getStringExtra("cat_id");
Toast.makeText(Productpage.this,flag+""+custid+""+catid,Toast.LENGTH_LONG).show();
}
else if(action.equals("filter")){
flag=intent.getStringExtra("flagfilter");
para=intent.getStringArrayExtra("category");
Toast.makeText(Productpage.this,flag,Toast.LENGTH_LONG).show();
}
// else if (action.equals("trading")){
// trading = intent.getStringExtra("trading");
// Toast.makeText(Productpage.this, trading, Toast.LENGTH_LONG).show();
// }else if (action.equals("newest")){
// newest = intent.getStringExtra("newest");
// Toast.makeText(Productpage.this, newest, Toast.LENGTH_LONG).show();
// }else if (action.equals("high")){
// high = intent.getStringExtra("priceasc");
// Toast.makeText(Productpage.this, high, Toast.LENGTH_LONG).show();
// }else if (action.equals("low")){
// low = intent.getStringExtra("pricedesc");
// Toast.makeText(Productpage.this, low, Toast.LENGTH_LONG).show();
// }
}
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
MenuItem searchItem = menu.findItem(R.id.action_search);
mSearchView = (SearchView) MenuItemCompat.getActionView(searchItem);
setupSearchView();
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
//Get a reference to your item by id
MenuItem item = menu.findItem(R.id.actionNotifications);
MenuItem item1=menu.findItem(R.id.actionNotifications);
//Here, you get access to the view of your item, in this case, the layout of the item has a FrameLayout as root view but you can change it to whatever you use
RelativeLayout rootView = (RelativeLayout) item.getActionView();
//Then you access to your control by finding it in the rootView
Button control = (Button) rootView.findViewById(R.id.button1cart);
TextView txt1noticount=(TextView)rootView.findViewById(R.id.txtCount);
txt1noticount.setText(cartcount);
control.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent i=new Intent(Productpage.this,SimpleActivity.class);
startActivity(i);
// Toast.makeText(Productpage.this, "keval", Toast.LENGTH_SHORT).show();
}
});
//And from here you can do whatever you want with your control
return true;
}
public void getproductdata() {
StringRequest request = new StringRequest(Request.Method.POST,
StaticDataUtility.Server_URL + "" + StaticDataUtility.catwise_product, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
JSONObject joResp = new JSONObject(response);
sliderList = new ArrayList<>();
int success = joResp.getInt("Success");
if (success == 1) {
// industryListBeanArrayList.clear();
JSONArray jsonArray = joResp.getJSONArray("result");
// JSONObject joResult = joResp.getJSONObject("result");
// JSONArray jaDetail = joResult.getJSONArray("industry_detail");
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject joDetail = jsonArray.getJSONObject(i);
productinfo slider = new productinfo();
if (joDetail.has("product_id")) {
slider.setProduct_id(joDetail.getString("product_id"));
} else {
slider.setProduct_id("0");
}
if (joDetail.has("product_name")) {
slider.setProduct_name(joDetail.getString("product_name"));
} else {
slider.setProduct_name("No Item Found");
}
if (joDetail.has("product_image")) {
slider.setProduct_image(joDetail.getString("product_image"));
} else {
slider.setProduct_image("No Data");
}
if (joDetail.has("price")) {
slider.setPrice(joDetail.getString("price"));
} else {
slider.setPrice("0");
}
if (joDetail.has("special_price")) {
slider.setSpecial_price(joDetail.getString("special_price"));
} else {
slider.setSpecial_price("0");
}
if (joDetail.has("discount")) {
slider.setDiscount(joDetail.getString("discount"));
} else {
slider.setDiscount("0");
}
if (joDetail.has("is_wishlist")) {
slider.setIs_wishlist(joDetail.getString("is_wishlist"));
} else {
slider.setIs_wishlist("0");
}
sliderList.add(slider);
}
// gridView.setAdapter(new MyAdapter1(getApplicationContext(),sliderList));
mAdapter = new MyAdapter1(Productpage.this,sliderList);
recyclerView.setAdapter(mAdapter);
} else {
Toast.makeText(Productpage.this, "Sorry Data Are Not Available ", Toast.LENGTH_SHORT).show();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError volleyError) {
}
}) {
@Override
protected Map<String, String> getParams() {
HashMap<String, String> params = new HashMap<>();
if(flag.toString().trim().equals("true")){
params.put("cat_id", catid);
params.put("customer_id",custid);
// params.put("sort_by","newest");
}else{
params.put("cat_id",catid);
params.put("customer_id",custid);
if(!(intent.getStringExtra("flagfilter").equals("false"))){
String keval=intent.getStringExtra("flagfilter").toString();
if(intent.getStringExtra("flagfilter").trim().equals("Newest")) {
params.put("sort_by", "newest");
}
if(intent.getStringExtra("flagfilter").trim().equals("Trending")) {
params.put("sort_by", "trending");
}
if(intent.getStringExtra("flagfilter").trim().equals("Price: High To Low")) {
params.put("sort_by", "price_desc");
}
if(intent.getStringExtra("flagfilter").trim().equals("Price: Low To High")) {
params.put("sort_by", "price_asc");
}
if(intent.getStringExtra("category").trim().equals("Price: Low To High")){
}
}
// if (trading.toString().trim().equals(trading)){
// // params.put("cat_id","292");
// params.put("sort_by","trending");
// }else if (newest1.toString().trim().equals(newest)){
// //params.put("cat_id","292");
// params.put("sort_by","newest");
// }else if (high.toString().trim().equals(high)){
// //params.put("cat_id","292");
// params.put("sort_by","pricedesc");
// }else if (low.toString().trim().equals(low)){
// //params.put("cat_id","292");
// params.put("sort_by","priceasc");
// }
}
Log.e("params", params.toString());
return params;
}
};
request.setRetryPolicy(new
DefaultRetryPolicy(60000,
DefaultRetryPolicy.DEFAULT_MAX_RETRIES,
DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
// Adding request to request queue
Volley.newRequestQueue(this).add(request);
}
private void setupSearchView() {
mSearchView.setIconifiedByDefault(true);
mSearchView.setOnQueryTextListener(this);
mSearchView.setSubmitButtonEnabled(true);
mSearchView.setQueryHint("Search Here");
}
@Override
public boolean onQueryTextSubmit(String query) {
// mAdapter.filter(query);
return false;
}
@Override
public boolean onQueryTextChange(String newText) {
final List<productinfo> filteredModelList = filter((ArrayList<productinfo>)sliderList, newText);
mAdapter.setFilter(filteredModelList);
return true;
}
private List<productinfo> filter(ArrayList<productinfo> models, String query) {
query = query.toLowerCase();
final List<productinfo> filteredModelList = new ArrayList<>();
for (productinfo model : models) {
final String text = model.getProduct_name().toLowerCase();
if (text.contains(query)) {
filteredModelList.add(model);
}
}
return filteredModelList;
}
@Override
public void onBackPressed() {
super.onBackPressed();
Intent i=new Intent(Productpage.this,Homepage.class);
startActivity(i);
finish();
}
}
this is my adapter class.
public class MyAdapter1 extends RecyclerView.Adapter<Home_Row_Holder1> {
Context mcontex;
private static StrikethroughSpan STRIKE_THROUGH_SPAN;
String title11;
public String productid,customerid;
String str1;
ArrayList<productinfo> feedItemList=new ArrayList<>();
String flag;
String wishid;
MyAdapter1 adpter;
public MyAdapter1( Context mcontex, ArrayList<productinfo> feedItemList) {
this.mcontex = mcontex;
this.feedItemList = feedItemList;
}
@Override
public Home_Row_Holder1 onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.grid_item, null);
Home_Row_Holder1 mh = new Home_Row_Holder1(v);
return mh;
}
@Override
public void onBindViewHolder(final Home_Row_Holder1 holder,final int i) {
if(feedItemList.get(i).getProduct_name().length()>=13)
{
title11=feedItemList.get(i).getProduct_name().substring(0, 13)+"...";
holder.row_1_name.setText(title11);
}else {
holder.row_1_name.setText(feedItemList.get(i).getProduct_name());
}
holder.row_3.setText(feedItemList.get(i).getSpecial_price());
Picasso.with(mcontex).load(feedItemList.get(i).getProduct_image().trim()).placeholder(R.drawable.logo1).into(holder.product_img_home_1);
// holder.row_1_price.setText(feedItemList.get(i).getPrice());
STRIKE_THROUGH_SPAN = new StrikethroughSpan();
holder.row_1_price.setText(feedItemList.get(i).getPrice(), TextView.BufferType.SPANNABLE);
Spannable spannable = (Spannable) holder.row_1_price.getText();
spannable.setSpan(STRIKE_THROUGH_SPAN, 0, feedItemList.get(i).getPrice().length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
holder.row_2_price.setText(" "+feedItemList.get(i).getDiscount()+"%");
if(feedItemList.get(i).getIs_wishlist().equals("0")){
holder.wishadd.setImageResource(R.drawable.wish);
}else {
holder.wishadd.setImageResource(R.drawable.wishred);
}
/* if (flag.equals("false")) {
holder.wishadd.findViewById(R.id.wishadd).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
}
});*/
// }
// holder.prodid.setText(feedItemList.get(i).getProduct_id());
holder.wishadd.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//
/*if(view.getId()==R.id.wishaddproductpage){
holder.wishadd.setImageResource(R.drawable.wishred);
}*/
str1=feedItemList.get(i).getProduct_id();
wishid=feedItemList.get(i).getIs_wishlist();
if(wishid.equals("0")){
// holder.wishadd.setImageResource(R.drawable.wishred);
new Wishaddproduct().execute();
}
// flag="false";
if(wishid.equals("1")){
// flag="false";
// holder.wishadd.setImageResource(R.drawable.wish);
new Deletewish().execute();
}
// holder.wishadd.setImageResource(R.drawable.wishred);
}
});
customerid= Homepage.strcustid;
productid=feedItemList.get(i).getProduct_id();
holder.product_img_home_1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Context context = v.getContext();
// Toast.makeText(mContext,String.valueOf(R.id.recycler+" "+R.id.recyclerMen+" "+recyclerView.getId() ),Toast.LENGTH_LONG).show();
/* SharedPreferences sp= PreferenceManager.getDefaultSharedPreferences(mContext);
SharedPreferences.Editor editor=sp.edit();
editor.putString("product_id",feedItemList.get(i).getProduct_id());
editor.putString("product_image",feedItemList.get(i).getImage());
if(feedItemList.get(i).getProduct_name().length()>=10)
{
title11=feedItemList.get(i).getProduct_name().substring(0, 10)+"...";
editor.putString("product_name",title11);
}else {
editor.putString("product_name",feedItemList.get(i).getProduct_name());
}
editor.putString("product_name",feedItemList.get(i).getProduct_name());
editor.putString("product_name",feedItemList.get(i).getProduct_name());
editor.putString("product_description",feedItemList.get(i).getProduct_description());
editor.putString("product_price",feedItemList.get(i).getProduct_price());
editor.commit();*/
Intent intent = new Intent(mcontex,singleactivity.class);
intent.putExtra("productid",feedItemList.get(i).getProduct_id());
// intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
// Toast.makeText(mContext,feedItemList.get(i).getProduct_id(),Toast.LENGTH_SHORT).show();
// str1=feedItemList.get(i).getProduct_id();
Toast.makeText(mcontex,"kkkkkkkkkk"+str1,Toast.LENGTH_SHORT).show();
}
});
}
@Override
public int getItemCount() {
return (null != feedItemList ? feedItemList.size() : 0);
}
public void setFilter(List<productinfo> countrymodel) {
feedItemList = new ArrayList<>();
feedItemList.addAll(countrymodel);
notifyDataSetChanged();
}
private class Wishaddproduct extends AsyncTask<String,String,String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected String doInBackground(String... strings) {
Uri.Builder builder = new Uri.Builder()
.appendQueryParameter("customer_id",customerid)
.appendQueryParameter("product_id",str1);
HttpHandler parser = new HttpHandler();
parser.makePostServiceCall( StaticDataUtility.Server_URL+""+ StaticDataUtility.wishlistadd, builder, parser.POST);
return String.valueOf(true);
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
Toast.makeText(mcontex,wishid, Toast.LENGTH_SHORT).show();
// Toast.makeText(mcontex,str1+ "hello"+customerid, Toast.LENGTH_SHORT).show();
updateResults(feedItemList);
// Home_Row_Holder1.wishadd.setImageResource(R.drawable.wishred);
}
}
private class Deletewish extends AsyncTask<String,String,String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected String doInBackground(String... strings) {
Uri.Builder builder = new Uri.Builder()
.appendQueryParameter("customer_id",customerid)
.appendQueryParameter("product_id",str1);
HttpHandler parser = new HttpHandler();
parser.makePostServiceCall( StaticDataUtility.Server_URL+""+ StaticDataUtility.wishdelete, builder, parser.POST);
return String.valueOf(true);
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
// Home_Row_Holder1.wishadd.setImageResource(R.drawable.wish);
// Toast.makeText(mcontex,str1+ "hello"+customerid, Toast.LENGTH_SHORT).show();
updateResults(feedItemList);
}
}
public void updateResults(ArrayList<productinfo> results ) {
feedItemList = results;
//Triggers the list update
//
// feedItemList.clear();
feedItemList.addAll(results);
this.notifyDataSetChanged();
// this.notifyItemRangeChanged((int) adpter.getItemId(i), feedItemList.size());
}
}
答案 0 :(得分：0)
您可以通知适配器有关数据更改的信息。
$scope.do_something = function(string) {
alert(string);
};