How to Fetch data from API using Retrofit in Android

How to Fetch data from API using Retrofit in Android - java

I'm Trying to call API using retrofit in Android. Although I'm successfully able to api in response I'm getting Success Code = 200. But Apart from that Inside Json object Json array is null although while I'm trying to call same api in Postman I'm getting the desire result.
I'm trying to call using POST request
URL Request :- https://example.com/AD1/api/user/profile
I'm passing parameter in Body userid:- MFL176116
Below Postman
APIInterface.java
public interface APIInterface {
#POST("profile")
Call<ProfilePojo> getUserProfile(#Body ProfilePojo profilePojo);
}
ProfilePojo.java
public class ProfilePojo {
#SerializedName("message")
#Expose
private String message;
#SerializedName("code")
#Expose
private Integer code;
#SerializedName("user_data")
#Expose
private List<UserDatum> userData = new ArrayList();
private String userid;
public ProfilePojo(String userid) {
this.userid = userid;
}
public String getUserid() {
return userid;
}
public void setUserid(String userid) {
this.userid = userid;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public List<UserDatum> getUserData() {
return userData;
}
public void setUserData(List<UserDatum> userData) {
this.userData = userData;
}
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
public class UserDatum {
#SerializedName("id")
#Expose
private String id;
#SerializedName("username")
#Expose
private String username;
#SerializedName("password")
#Expose
private String password;
#SerializedName("under_id")
#Expose
private String underId;
#SerializedName("place_under_id")
#Expose
private String placeUnderId;
#SerializedName("mobile")
#Expose
private String mobile;
#SerializedName("side")
#Expose
private String side;
#SerializedName("email")
#Expose
private String email;
#SerializedName("status")
#Expose
private String status;
#SerializedName("member_name")
#Expose
private String memberName;
#SerializedName("package_id")
#Expose
private String packageId;
#SerializedName("package_id1")
#Expose
private String packageId1;
#SerializedName("avatar")
#Expose
private String avatar;
#SerializedName("gender")
#Expose
private Object gender;
#SerializedName("date_of_birth")
#Expose
private Object dateOfBirth;
#SerializedName("address_line1")
#Expose
private String addressLine1;
#SerializedName("address_line2")
#Expose
private String addressLine2;
#SerializedName("country")
#Expose
private String country;
#SerializedName("country_code")
#Expose
private String countryCode;
#SerializedName("state")
#Expose
private String state;
#SerializedName("city")
#Expose
private String city;
#SerializedName("pincode")
#Expose
private String pincode;
#SerializedName("pancard_no")
#Expose
private String pancardNo;
#SerializedName("adharcard_no")
#Expose
private String adharcardNo;
#SerializedName("franchaise_type")
#Expose
private String franchaiseType;
#SerializedName("franchise_id")
#Expose
private Object franchiseId;
#SerializedName("franchise_per")
#Expose
private Object franchisePer;
#SerializedName("franchise_status")
#Expose
private Object franchiseStatus;
#SerializedName("transaction_pass")
#Expose
private String transactionPass;
#SerializedName("id_proof")
#Expose
private Object idProof;
#SerializedName("address_proof")
#Expose
private Object addressProof;
#SerializedName("self_video")
#Expose
private String selfVideo;
#SerializedName("residential_proof")
#Expose
private String residentialProof;
#SerializedName("btc_address")
#Expose
private Object btcAddress;
#SerializedName("perfect_money")
#Expose
private Object perfectMoney;
#SerializedName("email_status")
#Expose
private String emailStatus;
#SerializedName("email_verify")
#Expose
private String emailVerify;
#SerializedName("created_on")
#Expose
private String createdOn;
#SerializedName("edited_on")
#Expose
private String editedOn;
#SerializedName("isDeleted")
#Expose
private String isDeleted;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getUnderId() {
return underId;
}
public void setUnderId(String underId) {
this.underId = underId;
}
public String getPlaceUnderId() {
return placeUnderId;
}
public void setPlaceUnderId(String placeUnderId) {
this.placeUnderId = placeUnderId;
}
public String getMobile() {
return mobile;
}
public void setMobile(String mobile) {
this.mobile = mobile;
}
public String getSide() {
return side;
}
public void setSide(String side) {
this.side = side;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getMemberName() {
return memberName;
}
public void setMemberName(String memberName) {
this.memberName = memberName;
}
public String getPackageId() {
return packageId;
}
public void setPackageId(String packageId) {
this.packageId = packageId;
}
public String getPackageId1() {
return packageId1;
}
public void setPackageId1(String packageId1) {
this.packageId1 = packageId1;
}
public String getAvatar() {
return avatar;
}
public void setAvatar(String avatar) {
this.avatar = avatar;
}
public Object getGender() {
return gender;
}
public void setGender(Object gender) {
this.gender = gender;
}
public Object getDateOfBirth() {
return dateOfBirth;
}
public void setDateOfBirth(Object dateOfBirth) {
this.dateOfBirth = dateOfBirth;
}
public String getAddressLine1() {
return addressLine1;
}
public void setAddressLine1(String addressLine1) {
this.addressLine1 = addressLine1;
}
public String getAddressLine2() {
return addressLine2;
}
public void setAddressLine2(String addressLine2) {
this.addressLine2 = addressLine2;
}
public String getCountry() {
return country;
}
public void setCountry(String country) {
this.country = country;
}
public String getCountryCode() {
return countryCode;
}
public void setCountryCode(String countryCode) {
this.countryCode = countryCode;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getPincode() {
return pincode;
}
public void setPincode(String pincode) {
this.pincode = pincode;
}
public String getPancardNo() {
return pancardNo;
}
public void setPancardNo(String pancardNo) {
this.pancardNo = pancardNo;
}
public String getAdharcardNo() {
return adharcardNo;
}
public void setAdharcardNo(String adharcardNo) {
this.adharcardNo = adharcardNo;
}
public String getFranchaiseType() {
return franchaiseType;
}
public void setFranchaiseType(String franchaiseType) {
this.franchaiseType = franchaiseType;
}
public Object getFranchiseId() {
return franchiseId;
}
public void setFranchiseId(Object franchiseId) {
this.franchiseId = franchiseId;
}
public Object getFranchisePer() {
return franchisePer;
}
public void setFranchisePer(Object franchisePer) {
this.franchisePer = franchisePer;
}
public Object getFranchiseStatus() {
return franchiseStatus;
}
public void setFranchiseStatus(Object franchiseStatus) {
this.franchiseStatus = franchiseStatus;
}
public String getTransactionPass() {
return transactionPass;
}
public void setTransactionPass(String transactionPass) {
this.transactionPass = transactionPass;
}
public Object getIdProof() {
return idProof;
}
public void setIdProof(Object idProof) {
this.idProof = idProof;
}
public Object getAddressProof() {
return addressProof;
}
public void setAddressProof(Object addressProof) {
this.addressProof = addressProof;
}
public String getSelfVideo() {
return selfVideo;
}
public void setSelfVideo(String selfVideo) {
this.selfVideo = selfVideo;
}
public String getResidentialProof() {
return residentialProof;
}
public void setResidentialProof(String residentialProof) {
this.residentialProof = residentialProof;
}
public Object getBtcAddress() {
return btcAddress;
}
public void setBtcAddress(Object btcAddress) {
this.btcAddress = btcAddress;
}
public Object getPerfectMoney() {
return perfectMoney;
}
public void setPerfectMoney(Object perfectMoney) {
this.perfectMoney = perfectMoney;
}
public String getEmailStatus() {
return emailStatus;
}
public void setEmailStatus(String emailStatus) {
this.emailStatus = emailStatus;
}
public String getEmailVerify() {
return emailVerify;
}
public void setEmailVerify(String emailVerify) {
this.emailVerify = emailVerify;
}
public String getCreatedOn() {
return createdOn;
}
public void setCreatedOn(String createdOn) {
this.createdOn = createdOn;
}
public String getEditedOn() {
return editedOn;
}
public void setEditedOn(String editedOn) {
this.editedOn = editedOn;
}
public String getIsDeleted() {
return isDeleted;
}
public void setIsDeleted(String isDeleted) {
this.isDeleted = isDeleted;
}
}
}
Dashboard.java
private void getUserProfile() {
apiInterface = ApiLinks.getClient().create(APIInterface.class);
ProfilePojo profilePojo = new ProfilePojo("MFL176116");
Call<ProfilePojo> call = apiInterface.getUserProfile(profilePojo);
call.enqueue(new Callback<ProfilePojo>() {
#Override
public void onResponse(#NonNull Call<ProfilePojo> call, #NonNull Response<ProfilePojo> response) {
ProfilePojo profilePojo = response.body();
Toast.makeText(getApplicationContext(), "sucess", Toast.LENGTH_LONG).show();
}
#Override
public void onFailure(#NonNull Call<ProfilePojo> call, #NonNull Throwable t) {
Toast.makeText(getApplicationContext(), t.getMessage(), Toast.LENGTH_LONG).show();
}
});
}
After debugging the code can see Message is success, code =200, but userdata size ==0 please help me to get rid of this error

Check again the way that you are calling the api, even your userid is getting null, probably it's getting null in the user, but the response is 200 bc there was no error, simply no user with that id.

Related

Using GSON to parse an JSON object with an array of elements

How can I use GSON to parse the following JSON object:
{
"ProductsByCategory": [
{.....},
{.....},
{.....},
{.....},
]
}
The JSON object contains an array of elements. I am using GSON to try and parse the JSON and have the following POJO classes to assist me with this.
public class ProductItems {
#SerializedName("ProductsByCategory")
#Expose
private List<ProductsByCategory> productsByCategory = null;
public List<ProductsByCategory> getProductsByCategory() {
return productsByCategory;
}
public void setProductsByCategory(List<ProductsByCategory> productsByCategory) {
this.productsByCategory = productsByCategory;
}
}
public class ProductsByCategory {
#SerializedName("id")
#Expose
private Integer id;
#SerializedName("name")
#Expose
private String name;
#SerializedName("slug")
#Expose
private String slug;
#SerializedName("permalink")
#Expose
private String permalink;
#SerializedName("date_created")
#Expose
private String dateCreated;
#SerializedName("date_created_gmt")
#Expose
private String dateCreatedGmt;
#SerializedName("date_modified")
#Expose
private String dateModified;
#SerializedName("date_modified_gmt")
#Expose
private String dateModifiedGmt;
#SerializedName("type")
#Expose
private String type;
#SerializedName("status")
#Expose
private String status;
#SerializedName("featured")
#Expose
private Boolean featured;
#SerializedName("catalog_visibility")
#Expose
private String catalogVisibility;
#SerializedName("description")
#Expose
private String description;
#SerializedName("short_description")
#Expose
private String shortDescription;
#SerializedName("sku")
#Expose
private String sku;
#SerializedName("price")
#Expose
private String price;
#SerializedName("regular_price")
#Expose
private String regularPrice;
#SerializedName("sale_price")
#Expose
private String salePrice;
#SerializedName("date_on_sale_from")
#Expose
private Object dateOnSaleFrom;
#SerializedName("date_on_sale_from_gmt")
#Expose
private Object dateOnSaleFromGmt;
#SerializedName("date_on_sale_to")
#Expose
private Object dateOnSaleTo;
#SerializedName("date_on_sale_to_gmt")
#Expose
private Object dateOnSaleToGmt;
#SerializedName("price_html")
#Expose
private String priceHtml;
#SerializedName("on_sale")
#Expose
private Boolean onSale;
#SerializedName("purchasable")
#Expose
private Boolean purchasable;
#SerializedName("total_sales")
#Expose
private Integer totalSales;
#SerializedName("virtual")
#Expose
private Boolean virtual;
#SerializedName("downloadable")
#Expose
private Boolean downloadable;
#SerializedName("downloads")
#Expose
private List<Object> downloads = null;
#SerializedName("download_limit")
#Expose
private Integer downloadLimit;
#SerializedName("download_expiry")
#Expose
private Integer downloadExpiry;
#SerializedName("external_url")
#Expose
private String externalUrl;
#SerializedName("button_text")
#Expose
private String buttonText;
#SerializedName("tax_status")
#Expose
private String taxStatus;
#SerializedName("tax_class")
#Expose
private String taxClass;
#SerializedName("manage_stock")
#Expose
private Boolean manageStock;
#SerializedName("stock_quantity")
#Expose
private Integer stockQuantity;
#SerializedName("in_stock")
#Expose
private Boolean inStock;
#SerializedName("backorders")
#Expose
private String backorders;
#SerializedName("backorders_allowed")
#Expose
private Boolean backordersAllowed;
#SerializedName("backordered")
#Expose
private Boolean backordered;
#SerializedName("sold_individually")
#Expose
private Boolean soldIndividually;
#SerializedName("weight")
#Expose
private String weight;
#SerializedName("dimensions")
#Expose
private Dimensions dimensions;
#SerializedName("shipping_required")
#Expose
private Boolean shippingRequired;
#SerializedName("shipping_taxable")
#Expose
private Boolean shippingTaxable;
#SerializedName("shipping_class")
#Expose
private String shippingClass;
#SerializedName("shipping_class_id")
#Expose
private Integer shippingClassId;
#SerializedName("reviews_allowed")
#Expose
private Boolean reviewsAllowed;
#SerializedName("average_rating")
#Expose
private String averageRating;
#SerializedName("rating_count")
#Expose
private Integer ratingCount;
#SerializedName("related_ids")
#Expose
private List<Integer> relatedIds = null;
#SerializedName("upsell_ids")
#Expose
private List<Object> upsellIds = null;
#SerializedName("cross_sell_ids")
#Expose
private List<Object> crossSellIds = null;
#SerializedName("parent_id")
#Expose
private Integer parentId;
#SerializedName("purchase_note")
#Expose
private String purchaseNote;
#SerializedName("categories")
#Expose
private List<Category> categories = null;
#SerializedName("tags")
#Expose
private List<Object> tags = null;
#SerializedName("images")
#Expose
private List<Image> images = null;
#SerializedName("attributes")
#Expose
private List<Attribute> attributes = null;
#SerializedName("default_attributes")
#Expose
private List<Object> defaultAttributes = null;
#SerializedName("variations")
#Expose
private List<Integer> variations = null;
#SerializedName("grouped_products")
#Expose
private List<Object> groupedProducts = null;
#SerializedName("menu_order")
#Expose
private Integer menuOrder;
#SerializedName("meta_data")
#Expose
private List<MetaDatum> metaData = null;
#SerializedName("_links")
#Expose
private Links links;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSlug() {
return slug;
}
public void setSlug(String slug) {
this.slug = slug;
}
public String getPermalink() {
return permalink;
}
public void setPermalink(String permalink) {
this.permalink = permalink;
}
public String getDateCreated() {
return dateCreated;
}
public void setDateCreated(String dateCreated) {
this.dateCreated = dateCreated;
}
public String getDateCreatedGmt() {
return dateCreatedGmt;
}
public void setDateCreatedGmt(String dateCreatedGmt) {
this.dateCreatedGmt = dateCreatedGmt;
}
public String getDateModified() {
return dateModified;
}
public void setDateModified(String dateModified) {
this.dateModified = dateModified;
}
public String getDateModifiedGmt() {
return dateModifiedGmt;
}
public void setDateModifiedGmt(String dateModifiedGmt) {
this.dateModifiedGmt = dateModifiedGmt;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public Boolean getFeatured() {
return featured;
}
public void setFeatured(Boolean featured) {
this.featured = featured;
}
public String getCatalogVisibility() {
return catalogVisibility;
}
public void setCatalogVisibility(String catalogVisibility) {
this.catalogVisibility = catalogVisibility;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public String getShortDescription() {
return shortDescription;
}
public void setShortDescription(String shortDescription) {
this.shortDescription = shortDescription;
}
public String getSku() {
return sku;
}
public void setSku(String sku) {
this.sku = sku;
}
public String getPrice() {
return price;
}
public void setPrice(String price) {
this.price = price;
}
public String getRegularPrice() {
return regularPrice;
}
public void setRegularPrice(String regularPrice) {
this.regularPrice = regularPrice;
}
public String getSalePrice() {
return salePrice;
}
public void setSalePrice(String salePrice) {
this.salePrice = salePrice;
}
public Object getDateOnSaleFrom() {
return dateOnSaleFrom;
}
public void setDateOnSaleFrom(Object dateOnSaleFrom) {
this.dateOnSaleFrom = dateOnSaleFrom;
}
public Object getDateOnSaleFromGmt() {
return dateOnSaleFromGmt;
}
public void setDateOnSaleFromGmt(Object dateOnSaleFromGmt) {
this.dateOnSaleFromGmt = dateOnSaleFromGmt;
}
public Object getDateOnSaleTo() {
return dateOnSaleTo;
}
public void setDateOnSaleTo(Object dateOnSaleTo) {
this.dateOnSaleTo = dateOnSaleTo;
}
public Object getDateOnSaleToGmt() {
return dateOnSaleToGmt;
}
public void setDateOnSaleToGmt(Object dateOnSaleToGmt) {
this.dateOnSaleToGmt = dateOnSaleToGmt;
}
public String getPriceHtml() {
return priceHtml;
}
public void setPriceHtml(String priceHtml) {
this.priceHtml = priceHtml;
}
public Boolean getOnSale() {
return onSale;
}
public void setOnSale(Boolean onSale) {
this.onSale = onSale;
}
public Boolean getPurchasable() {
return purchasable;
}
public void setPurchasable(Boolean purchasable) {
this.purchasable = purchasable;
}
public Integer getTotalSales() {
return totalSales;
}
public void setTotalSales(Integer totalSales) {
this.totalSales = totalSales;
}
public Boolean getVirtual() {
return virtual;
}
public void setVirtual(Boolean virtual) {
this.virtual = virtual;
}
public Boolean getDownloadable() {
return downloadable;
}
public void setDownloadable(Boolean downloadable) {
this.downloadable = downloadable;
}
public List<Object> getDownloads() {
return downloads;
}
public void setDownloads(List<Object> downloads) {
this.downloads = downloads;
}
public Integer getDownloadLimit() {
return downloadLimit;
}
public void setDownloadLimit(Integer downloadLimit) {
this.downloadLimit = downloadLimit;
}
public Integer getDownloadExpiry() {
return downloadExpiry;
}
public void setDownloadExpiry(Integer downloadExpiry) {
this.downloadExpiry = downloadExpiry;
}
public String getExternalUrl() {
return externalUrl;
}
public void setExternalUrl(String externalUrl) {
this.externalUrl = externalUrl;
}
public String getButtonText() {
return buttonText;
}
public void setButtonText(String buttonText) {
this.buttonText = buttonText;
}
public String getTaxStatus() {
return taxStatus;
}
public void setTaxStatus(String taxStatus) {
this.taxStatus = taxStatus;
}
public String getTaxClass() {
return taxClass;
}
public void setTaxClass(String taxClass) {
this.taxClass = taxClass;
}
public Boolean getManageStock() {
return manageStock;
}
public void setManageStock(Boolean manageStock) {
this.manageStock = manageStock;
}
public Integer getStockQuantity() {
return stockQuantity;
}
public void setStockQuantity(Integer stockQuantity) {
this.stockQuantity = stockQuantity;
}
public Boolean getInStock() {
return inStock;
}
public void setInStock(Boolean inStock) {
this.inStock = inStock;
}
public String getBackorders() {
return backorders;
}
public void setBackorders(String backorders) {
this.backorders = backorders;
}
public Boolean getBackordersAllowed() {
return backordersAllowed;
}
public void setBackordersAllowed(Boolean backordersAllowed) {
this.backordersAllowed = backordersAllowed;
}
public Boolean getBackordered() {
return backordered;
}
public void setBackordered(Boolean backordered) {
this.backordered = backordered;
}
public Boolean getSoldIndividually() {
return soldIndividually;
}
public void setSoldIndividually(Boolean soldIndividually) {
this.soldIndividually = soldIndividually;
}
public String getWeight() {
return weight;
}
public void setWeight(String weight) {
this.weight = weight;
}
public Dimensions getDimensions() {
return dimensions;
}
public void setDimensions(Dimensions dimensions) {
this.dimensions = dimensions;
}
public Boolean getShippingRequired() {
return shippingRequired;
}
public void setShippingRequired(Boolean shippingRequired) {
this.shippingRequired = shippingRequired;
}
public Boolean getShippingTaxable() {
return shippingTaxable;
}
public void setShippingTaxable(Boolean shippingTaxable) {
this.shippingTaxable = shippingTaxable;
}
public String getShippingClass() {
return shippingClass;
}
public void setShippingClass(String shippingClass) {
this.shippingClass = shippingClass;
}
public Integer getShippingClassId() {
return shippingClassId;
}
public void setShippingClassId(Integer shippingClassId) {
this.shippingClassId = shippingClassId;
}
public Boolean getReviewsAllowed() {
return reviewsAllowed;
}
public void setReviewsAllowed(Boolean reviewsAllowed) {
this.reviewsAllowed = reviewsAllowed;
}
public String getAverageRating() {
return averageRating;
}
public void setAverageRating(String averageRating) {
this.averageRating = averageRating;
}
public Integer getRatingCount() {
return ratingCount;
}
public void setRatingCount(Integer ratingCount) {
this.ratingCount = ratingCount;
}
public List<Integer> getRelatedIds() {
return relatedIds;
}
public void setRelatedIds(List<Integer> relatedIds) {
this.relatedIds = relatedIds;
}
public List<Object> getUpsellIds() {
return upsellIds;
}
public void setUpsellIds(List<Object> upsellIds) {
this.upsellIds = upsellIds;
}
public List<Object> getCrossSellIds() {
return crossSellIds;
}
public void setCrossSellIds(List<Object> crossSellIds) {
this.crossSellIds = crossSellIds;
}
public Integer getParentId() {
return parentId;
}
public void setParentId(Integer parentId) {
this.parentId = parentId;
}
public String getPurchaseNote() {
return purchaseNote;
}
public void setPurchaseNote(String purchaseNote) {
this.purchaseNote = purchaseNote;
}
public List<Category> getCategories() {
return categories;
}
public void setCategories(List<Category> categories) {
this.categories = categories;
}
public List<Object> getTags() {
return tags;
}
public void setTags(List<Object> tags) {
this.tags = tags;
}
public List<Image> getImages() {
return images;
}
public void setImages(List<Image> images) {
this.images = images;
}
public List<Attribute> getAttributes() {
return attributes;
}
public void setAttributes(List<Attribute> attributes) {
this.attributes = attributes;
}
public List<Object> getDefaultAttributes() {
return defaultAttributes;
}
public void setDefaultAttributes(List<Object> defaultAttributes) {
this.defaultAttributes = defaultAttributes;
}
public List<Integer> getVariations() {
return variations;
}
public void setVariations(List<Integer> variations) {
this.variations = variations;
}
public List<Object> getGroupedProducts() {
return groupedProducts;
}
public void setGroupedProducts(List<Object> groupedProducts) {
this.groupedProducts = groupedProducts;
}
public Integer getMenuOrder() {
return menuOrder;
}
public void setMenuOrder(Integer menuOrder) {
this.menuOrder = menuOrder;
}
public List<MetaDatum> getMetaData() {
return metaData;
}
public void setMetaData(List<MetaDatum> metaData) {
this.metaData = metaData;
}
public Links getLinks() {
return links;
}
public void setLinks(Links links) {
this.links = links;
}
}
The code that I use is the following:
public void onResponse(Call call, Response response) throws IOException
{
String mMessage = response.body().string();
if (response.isSuccessful())
{
try
{
Gson gson = new Gson();
final ProductItems categoryProducts = gson.fromJson(mMessage, ProductItems.class);
response.close();
}
catch (Exception e)
{
Log.e("Error", "Failed to upload");
e.printStackTrace();
}
However, I get the following error: GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY.
I have tried to change the ProductItems class to taking an object for productbycategories but then I get the following error: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected a string but was BEGIN_OBJECT at line 1 column 2324 path $.ProductsByCategory[0].meta_data[0].value. I am now a bit confused.

The reason you get this error is that the data is not consistent with the way the POJO is generated.
This is the specific part of the data that has the issue:
"meta_data": [
{
"id": 14232,
"key": "_vc_post_settings",
"value": {
"vc_grid_id": []
}
},
{
"id": 14273,
"key": "fb_product_description",
"value": ""
},
{
"id": 14274,
"key": "fb_visibility",
"value": "1"
},
Notice how the "meta_data" field is an array of objects and that these objects contain a "value" field. The data type of the "value" varies- sometimes it's an object and other times it's a string.
One possible solution would be to change the MetaDatum class so that the value is an Object:
package com.example;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
public class MetaDatum {
...
#SerializedName("value")
#Expose
private Object value;
...
public Object getValue() {
return value;
}
public void setValue(Object value) {
this.value = value;
}
}

How do I map Retrofit response to Data Model Class?

Here is my Retrofit Call...
public void getContests() {
String token = LoginActivity.authToken;
Retrofit retrofit = new Retrofit.Builder()
.baseUrl(OctoInterface.BASE_URL)
.addConverterFactory(GsonConverterFactory.create())
.build();
OctoInterface api = retrofit.create(OctoInterface.class);
Call<List<OctoModel2>> call = api.getOctoContests(token);
call.enqueue(new Callback<List<OctoModel2>>() {
#Override
public void onResponse(Call<List<OctoModel2>> call, Response<List<OctoModel2>> response) {
int statusCode = response.code();
int i = 0;
if (response.body().size() > titleList.size()) {
for (i = 0; i <= response.body().size() -1; i++) {
contestIdList.add(String.valueOf(response.body().get(i).getId()));
titleList.add(response.body().get(i).getTitle());
subtitleList.add(response.body().get(i).getDescShort());
offerIdList.add(String.valueOf(response.body().get(i).getId()));
offerLogoList.add(response.body().get(i).getLogoUrl());
businessId = String.valueOf(response.body().get(i).getBusinessId());
submit_button_text = response.body().get(i).getSubmitButtonText();
}
}
}
#Override
public void onFailure(Call<List<OctoModel2>> call, Throwable t) {
Log.e("Get Contest failure", call.toString());
t.printStackTrace();
}
});
}
As you can see, I'm currently grabbing the pieces of the response that I need and passing them to individual array lists. I'd much rather pass the entire return into a list of model objects that hold the data.
Here is my POJO class for retrofit...
public class OctoModel2 {
#SerializedName("how_it_works")
#Expose
private List<String> howItWorks = null;
#SerializedName("id")
#Expose
private int id;
#SerializedName("business_id")
#Expose
private int businessId;
#SerializedName("title")
#Expose
private String title;
#SerializedName("desc_short")
#Expose
private String descShort;
#SerializedName("logo_url")
#Expose
private String logoUrl;
#SerializedName("hashtag")
#Expose
private String hashtag;
#SerializedName("confirm_message_title")
#Expose
private String confirmMessageTitle;
#SerializedName("rules")
#Expose
private String rules;
#SerializedName("confirm_message")
#Expose
private String confirmMessage;
#SerializedName("start_date")
#Expose
private String startDate;
#SerializedName("end_date")
#Expose
private String endDate;
#SerializedName("active")
#Expose
private boolean active;
#SerializedName("entry_count")
#Expose
private int entryCount;
#SerializedName("age_required")
#Expose
private int ageRequired;
#SerializedName("submit_button_text")
#Expose
private String submitButtonText;
#SerializedName("hide_redeem_code")
#Expose
private boolean hideRedeemCode;
#SerializedName("redeem_button_text")
#Expose
private String redeemButtonText;
#SerializedName("rules_text")
#Expose
private String rulesText;
#SerializedName("mode")
#Expose
private String mode;
#SerializedName("entry_mode")
#Expose
private String entryMode;
#SerializedName("created_at")
#Expose
private String createdAt;
#SerializedName("updated_at")
#Expose
private String updatedAt;
#SerializedName("deleted_at")
#Expose
private Object deletedAt;
#SerializedName("locations")
#Expose
private List<Location> locations = null;
#SerializedName("entries")
#Expose
private List<Entry> entries = null;
#SerializedName("entry")
#Expose
private Entry entry;
#SerializedName("AWSAccessKeyId")
#Expose
private String aWSAccessKeyId;
#SerializedName("key")
#Expose
private String key;
#SerializedName("policy")
#Expose
private String policy;
#SerializedName("signature")
#Expose
private String signature;
#SerializedName("uuid")
#Expose
private String uuid;
#SerializedName("reward")
#Expose
private Reward reward;
#SerializedName("s3_url")
#Expose
private String s3_url;
public OctoModel2(Integer id, Integer businessId, String title, String descShort, String logoUrl, String hashtag, String confirmMessageTitle, String rules, String confirmMessage, String startDate, String endDate, Boolean active,
String submitButtonText, String redeemButtonText, String rulesText, List<Location> locations, String aWSAccessKeyId, String key, String policy, String signature, String uuid) {
this.id = id;
this.businessId = businessId;
this.title = title;
this.descShort = descShort;
this.logoUrl = logoUrl;
this.hashtag = hashtag;
this.confirmMessageTitle = confirmMessageTitle;
this.rules = rules;
this.confirmMessage = confirmMessage;
this.startDate = startDate;
this.endDate = endDate;
this.active = active;
this.submitButtonText = submitButtonText;
this.redeemButtonText = redeemButtonText;
this.rulesText = rulesText;
this.locations = locations;
this.aWSAccessKeyId = aWSAccessKeyId;
this.key = key;
this.policy = policy;
this.signature = signature;
this.uuid = uuid;
}
public List<String> getHowItWorks() {
return howItWorks;
}
public void setHowItWorks(List<String> howItWorks) {
this.howItWorks = howItWorks;
}
public int getId() {
return id;
}
public List<OctoModel2> getResults() {
return results;
}
public void setId(int id) {
this.id = id;
}
public int getBusinessId() {
return businessId;
}
public void setBusinessId(int businessId) {
this.businessId = businessId;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getDescShort() {
return descShort;
}
public void setDescShort(String descShort) {
this.descShort = descShort;
}
public String getLogoUrl() {
return logoUrl;
}
public void setLogoUrl(String logoUrl) {
this.logoUrl = logoUrl;
}
public String getHashtag() {
return hashtag;
}
public void setHashtag(String hashtag) {
this.hashtag = hashtag;
}
public String getConfirmMessageTitle() {
return confirmMessageTitle;
}
public void setConfirmMessageTitle(String confirmMessageTitle) {
this.confirmMessageTitle = confirmMessageTitle;
}
public String getRules() {
return rules;
}
public void setRules(String rules) {
this.rules = rules;
}
public String getConfirmMessage() {
return confirmMessage;
}
public void setConfirmMessage(String confirmMessage) {
this.confirmMessage = confirmMessage;
}
public String getStartDate() {
return startDate;
}
public void setStartDate(String startDate) {
this.startDate = startDate;
}
public String getEndDate() {
return endDate;
}
public void setEndDate(String endDate) {
this.endDate = endDate;
}
public boolean isActive() {
return active;
}
public void setActive(boolean active) {
this.active = active;
}
public int getEntryCount() {
return entryCount;
}
public void setEntryCount(int entryCount) {
this.entryCount = entryCount;
}
public int getAgeRequired() {
return ageRequired;
}
public void setAgeRequired(int ageRequired) {
this.ageRequired = ageRequired;
}
public String getSubmitButtonText() {
return submitButtonText;
}
public void setSubmitButtonText(String submitButtonText) {
this.submitButtonText = submitButtonText;
}
public boolean isHideRedeemCode() {
return hideRedeemCode;
}
public void setHideRedeemCode(boolean hideRedeemCode) {
this.hideRedeemCode = hideRedeemCode;
}
public String getRedeemButtonText() {
return redeemButtonText;
}
public void setRedeemButtonText(String redeemButtonText) {
this.redeemButtonText = redeemButtonText;
}
public String getRulesText() {
return rulesText;
}
public void setRulesText(String rulesText) {
this.rulesText = rulesText;
}
public String getMode() {
return mode;
}
public void setMode(String mode) {
this.mode = mode;
}
public String getEntryMode() {
return entryMode;
}
public void setEntryMode(String entryMode) {
this.entryMode = entryMode;
}
public String getCreatedAt() {
return createdAt;
}
public void setCreatedAt(String createdAt) {
this.createdAt = createdAt;
}
public String getUpdatedAt() {
return updatedAt;
}
public void setUpdatedAt(String updatedAt) {
this.updatedAt = updatedAt;
}
public Object getDeletedAt() {
return deletedAt;
}
public void setDeletedAt(Object deletedAt) {
this.deletedAt = deletedAt;
}
public List<Location> getLocations() {
return locations;
}
public void setLocations(List<Location> locations) {
this.locations = locations;
}
public List<Entry> getEntries() {
return entries;
}
public void setEntries(List<Entry> entries) {
this.entries = entries;
}
public Entry getEntry() {
return entry;
}
public String getAWSAccessKeyId() {
return aWSAccessKeyId;
}
public void setAWSAccessKeyId(String aWSAccessKeyId) {
this.aWSAccessKeyId = aWSAccessKeyId;
}
public String getKey() {
return key;
}
public void setKey(String key) {
this.key = key;
}
public String getPolicy() {
return policy;
}
public void setPolicy(String policy) {
this.policy = policy;
}
public String getSignature() {
return signature;
}
public String gets3url() {
return s3_url;
}
public void setSignature(String signature) {
this.signature = signature;
}
public Reward getReward() {
return reward;
}
public void setReward(Reward reward) {
this.reward = reward;
}
public String getUuid() {
return uuid;
}
public void setUuid(String uuid) {
this.uuid = uuid;
}
}
Instead of calling the data from each list like
TitleList.get(position);
SubtitleList.get(position);
LogoUrlList.get(position);
etc...
I'd like to be able to call
Contests.get(position).getTitle();
Contests.get(position).getSubtitle();
Contests.get(position).getLogoUrl();
or however it would be. This would make it better for me to sort the responses and get the data from individual responses without hoping and praying that I'm pulling the correct item from the correct ArrayList.

You need a mapper that maps your DTO (Data Transfer Object) into an entity or list of entities. For example:
public interface Mapper<From, To> {
To map(From value);
}
Now you can create a class, e.g. called `MyRetrofitResponseMapper, that implements the interface and maps the fields needed.
Moreover, you can create multiple mappers that map the same DTO into different entities depending on what DTO fields are required for those.
An example can be found here.

Count duplicate items from custom object - android

I have a custom object list like bellow :
public List<Message> getMessages() {
return messages;
}
And :
public class Message {
#SerializedName("id")
#Expose
private String id;
#SerializedName("useridfrom")
#Expose
private String useridfrom;
#SerializedName("useridto")
#Expose
private String useridto;
#SerializedName("subject")
#Expose
private String subject;
#SerializedName("fullmessage")
#Expose
private String fullmessage;
#SerializedName("fullmessageformat")
#Expose
private String fullmessageformat;
#SerializedName("fullmessagehtml")
#Expose
private String fullmessagehtml;
#SerializedName("smallmessage")
#Expose
private String smallmessage;
#SerializedName("notification")
#Expose
private String notification;
#SerializedName("contexturl")
#Expose
private Object contexturl;
#SerializedName("contexturlname")
#Expose
private Object contexturlname;
#SerializedName("timecreated")
#Expose
private String timecreated;
#SerializedName("timeuserfromdeleted")
#Expose
private String timeuserfromdeleted;
#SerializedName("timeusertodeleted")
#Expose
private String timeusertodeleted;
#SerializedName("component")
#Expose
private String component;
#SerializedName("eventtype")
#Expose
private String eventtype;
#SerializedName("userfromfirstnamephonetic")
#Expose
private String userfromfirstnamephonetic;
#SerializedName("userfromlastnamephonetic")
#Expose
private String userfromlastnamephonetic;
#SerializedName("userfrommiddlename")
#Expose
private String userfrommiddlename;
#SerializedName("userfromalternatename")
#Expose
private String userfromalternatename;
#SerializedName("userfromfirstname")
#Expose
private String userfromfirstname;
#SerializedName("userfromlastname")
#Expose
private String userfromlastname;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getUseridfrom() {
return useridfrom;
}
public void setUseridfrom(String useridfrom) {
this.useridfrom = useridfrom;
}
public String getUseridto() {
return useridto;
}
public void setUseridto(String useridto) {
this.useridto = useridto;
}
public String getSubject() {
return subject;
}
public void setSubject(String subject) {
this.subject = subject;
}
public String getFullmessage() {
return fullmessage;
}
public void setFullmessage(String fullmessage) {
this.fullmessage = fullmessage;
}
public String getFullmessageformat() {
return fullmessageformat;
}
public void setFullmessageformat(String fullmessageformat) {
this.fullmessageformat = fullmessageformat;
}
public String getFullmessagehtml() {
return fullmessagehtml;
}
public void setFullmessagehtml(String fullmessagehtml) {
this.fullmessagehtml = fullmessagehtml;
}
public String getSmallmessage() {
return smallmessage;
}
public void setSmallmessage(String smallmessage) {
this.smallmessage = smallmessage;
}
public String getNotification() {
return notification;
}
public void setNotification(String notification) {
this.notification = notification;
}
public Object getContexturl() {
return contexturl;
}
public void setContexturl(Object contexturl) {
this.contexturl = contexturl;
}
public Object getContexturlname() {
return contexturlname;
}
public void setContexturlname(Object contexturlname) {
this.contexturlname = contexturlname;
}
public String getTimecreated() {
return timecreated;
}
public void setTimecreated(String timecreated) {
this.timecreated = timecreated;
}
public String getTimeuserfromdeleted() {
return timeuserfromdeleted;
}
public void setTimeuserfromdeleted(String timeuserfromdeleted) {
this.timeuserfromdeleted = timeuserfromdeleted;
}
public String getTimeusertodeleted() {
return timeusertodeleted;
}
public void setTimeusertodeleted(String timeusertodeleted) {
this.timeusertodeleted = timeusertodeleted;
}
public String getComponent() {
return component;
}
public void setComponent(String component) {
this.component = component;
}
public String getEventtype() {
return eventtype;
}
public void setEventtype(String eventtype) {
this.eventtype = eventtype;
}
public String getUserfromfirstnamephonetic() {
return userfromfirstnamephonetic;
}
public void setUserfromfirstnamephonetic(String userfromfirstnamephonetic) {
this.userfromfirstnamephonetic = userfromfirstnamephonetic;
}
public String getUserfromlastnamephonetic() {
return userfromlastnamephonetic;
}
public void setUserfromlastnamephonetic(String userfromlastnamephonetic) {
this.userfromlastnamephonetic = userfromlastnamephonetic;
}
public String getUserfrommiddlename() {
return userfrommiddlename;
}
public void setUserfrommiddlename(String userfrommiddlename) {
this.userfrommiddlename = userfrommiddlename;
}
public String getUserfromalternatename() {
return userfromalternatename;
}
public void setUserfromalternatename(String userfromalternatename) {
this.userfromalternatename = userfromalternatename;
}
public String getUserfromfirstname() {
return userfromfirstname;
}
public void setUserfromfirstname(String userfromfirstname) {
this.userfromfirstname = userfromfirstname;
}
public String getUserfromlastname() {
return userfromlastname;
}
public void setUserfromlastname(String userfromlastname) {
this.userfromlastname = userfromlastname;
}
}
How can I count duplicate items : useridfrom and useridto.
I like use from RXJava for better performance an do in background.

ObjectMapper can't map the variables of inner class

ObjectMapper mapper = new ObjectMapper();
try {
attractionMainResponse = mapper.readValue(response,AttractionMainResponse.class);
} catch(IOException io) {
showToast("Something went wrong");
FirebaseCrash.log(io.toString());
finish();
}
AttractionMainResponse :
#JsonIgnoreProperties (ignoreUnknown = true)
public class AttractionMainResponse {
private AttractionDetailModel Attraction_Info;
private String response;
public AttractionMainResponse() {
Attraction_Info = null;
response =null;
}
public AttractionMainResponse(AttractionDetailModel aa,String ab) {
Attraction_Info = aa;
response = ab;
}
public AttractionDetailModel getAttraction_Info() {
return Attraction_Info;
}
public void setAttraction_Info(AttractionDetailModel attraction_Info) {
Attraction_Info = attraction_Info;
}
public String getResponse() {
return response;
}
public void setResponse(String response) {
this.response = response;
}
}
AttractionDetailModel :
#JsonIgnoreProperties (ignoreUnknown = true)
public class AttractionDetailModel {
private AddressDataAttraction address_data;
private List<Image> Images;
private TypesInAttraction Type;
private String architect;
private String architectural_style;
private int city_id;
private String founder;
private String description;
private int id;
private String name;
private String height;
private String opened_since;
private String popularity;
private String timings;
private String visitors;
private String profile_image_url;
public AttractionDetailModel() {
address_data = null;
architect = null;
architectural_style = null;
city_id=-1;
founder = null;
description = null;
id=-1;
name=null;
height=null;
opened_since=null;
popularity = null;
timings=null;
visitors=null;
Images = null;
Type=null;
profile_image_url=null;
}
public AttractionDetailModel(AddressDataAttraction address_data, List<Image> images, TypesInAttraction type, String architect, String architectural_style, int city_id, String founder, String description, int id, String name, String height, String opened_since, String popularity, String timings, String visitors, String profile_image_url) {
this.address_data = address_data;
Images = images;
Type = type;
this.architect = architect;
this.architectural_style = architectural_style;
this.city_id = city_id;
this.founder = founder;
this.description = description;
this.id = id;
this.name = name;
this.height = height;
this.opened_since = opened_since;
this.popularity = popularity;
this.timings = timings;
this.visitors = visitors;
this.profile_image_url = profile_image_url;
}
public String getProfile_image_url() {
return profile_image_url;
}
public void setProfile_image_url(String profile_image_url) {
this.profile_image_url = profile_image_url;
}
public AddressDataAttraction getAddress_data() {
return address_data;
}
public void setAddress_data(AddressDataAttraction address_data) {
this.address_data = address_data;
}
public List<Image> getImages() {
return Images;
}
public void setImages(List<Image> images) {
Images = images;
}
public TypesInAttraction getType() {
return Type;
}
public void setType(TypesInAttraction type) {
Type = type;
}
public String getArchitect() {
return architect;
}
public void setArchitect(String architect) {
this.architect = architect;
}
public String getArchitectural_style() {
return architectural_style;
}
public void setArchitectural_style(String architectural_style) {
this.architectural_style = architectural_style;
}
public int getCity_id() {
return city_id;
}
public void setCity_id(int city_id) {
this.city_id = city_id;
}
public String getFounder() {
return founder;
}
public void setFounder(String founder) {
this.founder = founder;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getHeight() {
return height;
}
public void setHeight(String height) {
this.height = height;
}
public String getOpened_since() {
return opened_since;
}
public void setOpened_since(String opened_since) {
this.opened_since = opened_since;
}
public String getPopularity() {
return popularity;
}
public void setPopularity(String popularity) {
this.popularity = popularity;
}
public String getTimings() {
return timings;
}
public void setTimings(String timings) {
this.timings = timings;
}
public String getVisitors() {
return visitors;
}
public void setVisitors(String visitors) {
this.visitors = visitors;
}
}
AddressDataAttractions :
#JsonIgnoreProperties (ignoreUnknown = true)
public class AddressDataAttraction {
private String address;
private String city;
private String country;
private String landmark;
private float latitude;
private float longitude;
private String pincode;
private String state;
public AddressDataAttraction() {
address=null;
city=null;
country=null;
landmark=null;
latitude=-1;
longitude=-1;
pincode=null;
state=null;
}
public AddressDataAttraction(String address, String city, String country, String landmark, float latitude, float longitude, String pincode, String state) {
this.address = address;
this.city = city;
this.country = country;
this.landmark = landmark;
this.latitude = latitude;
this.longitude = longitude;
this.pincode = pincode;
this.state = state;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getCountry() {
return country;
}
public void setCountry(String country) {
this.country = country;
}
public String getLandmark() {
return landmark;
}
public void setLandmark(String landmark) {
this.landmark = landmark;
}
public float getLatitude() {
return latitude;
}
public void setLatitude(float latitude) {
this.latitude = latitude;
}
public float getLongitude() {
return longitude;
}
public void setLongitude(float longitude) {
this.longitude = longitude;
}
public String getPincode() {
return pincode;
}
public void setPincode(String pincode) {
this.pincode = pincode;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
}
TypeInAttraction :
#JsonIgnoreProperties (ignoreUnknown = true)
public class TypesInAttraction{
private String type;
private int id ;
public TypesInAttraction() {
type=null;
id=-1;
}
public TypesInAttraction(String type, int id) {
this.type = type;
this.id = id;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
}
In debug mode, string response in objectMapper shows correct response, string response in attractionMainResponse giving a success but can't map the attractionDetailModel, giving null.

Is this about a Jackson ObjectMapper? Is it possible to create a smaller example, that makes it easier to give a solution.

How can i convert json string to java object in android?

I am trying to convert the response from server which is a JSON string,I want to convert that JSONstring to java object.I am trying Gson.Please someone explain and tell me the steps how to do it using Gson.
#Override
public void onClick(View v) {
if (v == mLoginButton) {
LoginUser();
}
if (v==mSignUpBtn){
Intent intent=new Intent(LoginActivity.this,RegistrationActivity.class);
startActivity(intent);
}
}
private void LoginUser() {
// final String username = editTextUsername.getText().toString().trim();
final String password = editTextPassword.getText().toString().trim();
final String email = editTextEmail.getText().toString().trim();
StringRequest postStringRequest = new StringRequest(Request.Method.POST,LOGIN_API,
new Response.Listener<String>() {
#Override
public void onResponse(String response) {
Toast.makeText(LoginActivity.this, response, Toast.LENGTH_LONG).show();
Log.d(TAG,"Reponse Check :"+response);
// Gson gson = new Gson();
// String jsonInString = "{}";
//LoginActivity staff = gson.fromJson(jsonInString, LoginActivity.class);
//Log.d(TAG,"Reponse Check staff :"+staff);
}
},
new Response.ErrorListener() {
#Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(LoginActivity.this, error.toString(), Toast.LENGTH_LONG).show();
Log.e(TAG,"Error Response Check :"+error);
}
}) {
#Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
Log.d(TAG,"For email :"+email);
Log.d(TAG,"For password :"+password);
//try {
Log.d(TAG,"My Credentials email URL Encoder: "+( mEncryption.AESEncode(email)));
Log.d(TAG,"My Credentials email URL DECODED: "+( mEncryption.AESDecode(mEncryption.AESEncode(email))));
params.put("data[User][email]",(mEncryption.AESEncode(email)));
Log.d(TAG,"My Credentials pass URL Encoder: "+( mEncryption.AESEncode(password)));
paa
}
logcat
03-16 16:36:08.346 2618-3428/com.example.user.myapplication D/Null: For email :abc#gmail.com
03-16 16:36:08.346 2618-3428/com.example.user.myapplication D/Null: For password :12345678
03-16 16:36:08.354 2618-3428/com.example.user.myapplication D/Null: My Credentials email URL Encoder: RyUMRBg7UyeIlFBBtNemZFuG46PJtAIdiZWXnlJ4zNI=
03-16 16:36:08.358 2618-3428/com.example.user.myapplication D/Null: My Credentials email URL DECODED: abc#gmail.com
03-16 16:36:08.360 2618-3428/com.example.user.myapplication D/Null: My Credentials pass URL Encoder: pfrt1fKLkoZhAT6hoMJFiA==
03-16 16:36:08.361 2618-3428/com.example.user.myapplication D/Null: Params :{data[User][password]=pfrt1fKLkoZhAT6hoMJFiA==
, data[User][email]=RyUMRBg7UyeIlFBBtNemZFuG46PJtAIdiZWXnlJ4zNI=
}
03-16 16:36:08.505 2618-2618/com.example.user.myapplication D/Null: Reponse Check :{"code":200,"user":{"User":{"id":"ui1bJkK19jxbaquTboA2oQ==","email":"RyUMRBg7UyeIlFBBtNemZFuG46PJtAIdiZWXnlJ4zNI=","status":"1","verified":"1","created":"2016-03-07 11:41:59","modified":"2016-04-07 15:43:43","token":"6b987332b77d7c69d76bf7be80a85177fb7fa08d"},"Profile":{"id":"1","first_name":"abc","last_name":"fgh","bio":"sfafaf","address":"82, Debinibash Road\r\nDum Dum, P.O. - Motijheel","phone":"+913325505055","profile_pic":"\/img\/356a192b7913b04c54574d18c28d46e6395428ab\/license.jpg","user_id":"1","Contributor":{"id":"31","profile_id":"1","status":"1","vs_cdn_id":"261961777","secret_token":"s-7Va5z","uploaded_on":null,"statement":"AOK KJDHKJDH bkgkg kkhkjh kjhkj kjh kjhkjh","time":"7 hours per month","created":"2016-05-02 18:40:11","modified":"2016-05-02 18:41:29"},"Moderator":[]},"redirect":"\/"}}

You can use in a generic way like:
private final static Gson GSON = new GsonBuilder().create();
public static <T> T fromJSON(String json, Class<T> clazz) {
try {
return GSON.fromJson(json, clazz);
} catch (JsonSyntaxException e) {
LOGGER.warn("Could not deserialize object", e);
}
return null;
}

You can't make activity/fragment from json.
In your onResponse() method:
ModelObject obj = new Gson().fromJson(jsonString, ModelObject.class);
And make ModelObject class something like this:
public class ModelObject {
int field1;
int field2;
//here you should make getters and setters;
}
After it you can do anything you need with this object (pass it to any activity or fragment).

Gson will map the values to the corresponding model class object if the fields are given correctly. Have a look at the below model classes. After that, if you call Example data = GSON.fromJson(yourJson, Example.class); , this data object will have all that you need.
-----------------------------------com.example.Contributor.java-----------------------------------
package com.example;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
public class Contributor {
#SerializedName("id")
#Expose
private String id;
#SerializedName("profile_id")
#Expose
private String profileId;
#SerializedName("status")
#Expose
private String status;
#SerializedName("vs_cdn_id")
#Expose
private String vsCdnId;
#SerializedName("secret_token")
#Expose
private String secretToken;
#SerializedName("uploaded_on")
#Expose
private Object uploadedOn;
#SerializedName("statement")
#Expose
private String statement;
#SerializedName("time")
#Expose
private String time;
#SerializedName("created")
#Expose
private String created;
#SerializedName("modified")
#Expose
private String modified;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getProfileId() {
return profileId;
}
public void setProfileId(String profileId) {
this.profileId = profileId;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getVsCdnId() {
return vsCdnId;
}
public void setVsCdnId(String vsCdnId) {
this.vsCdnId = vsCdnId;
}
public String getSecretToken() {
return secretToken;
}
public void setSecretToken(String secretToken) {
this.secretToken = secretToken;
}
public Object getUploadedOn() {
return uploadedOn;
}
public void setUploadedOn(Object uploadedOn) {
this.uploadedOn = uploadedOn;
}
public String getStatement() {
return statement;
}
public void setStatement(String statement) {
this.statement = statement;
}
public String getTime() {
return time;
}
public void setTime(String time) {
this.time = time;
}
public String getCreated() {
return created;
}
public void setCreated(String created) {
this.created = created;
}
public String getModified() {
return modified;
}
public void setModified(String modified) {
this.modified = modified;
}
}
-----------------------------------com.example.Example.java-----------------------------------
package com.example;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
public class Example {
#SerializedName("code")
#Expose
private Integer code;
#SerializedName("user")
#Expose
private User user;
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
}
-----------------------------------com.example.Profile.java-----------------------------------
package com.example;
import java.util.List;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
public class Profile {
#SerializedName("id")
#Expose
private String id;
#SerializedName("first_name")
#Expose
private String firstName;
#SerializedName("last_name")
#Expose
private String lastName;
#SerializedName("bio")
#Expose
private String bio;
#SerializedName("address")
#Expose
private String address;
#SerializedName("phone")
#Expose
private String phone;
#SerializedName("profile_pic")
#Expose
private String profilePic;
#SerializedName("user_id")
#Expose
private String userId;
#SerializedName("Contributor")
#Expose
private Contributor contributor;
#SerializedName("Moderator")
#Expose
private List<Object> moderator = null;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getBio() {
return bio;
}
public void setBio(String bio) {
this.bio = bio;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getProfilePic() {
return profilePic;
}
public void setProfilePic(String profilePic) {
this.profilePic = profilePic;
}
public String getUserId() {
return userId;
}
public void setUserId(String userId) {
this.userId = userId;
}
public Contributor getContributor() {
return contributor;
}
public void setContributor(Contributor contributor) {
this.contributor = contributor;
}
public List<Object> getModerator() {
return moderator;
}
public void setModerator(List<Object> moderator) {
this.moderator = moderator;
}
}
-----------------------------------com.example.User.java-----------------------------------
package com.example;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
public class User {
#SerializedName("User")
#Expose
private User_ user;
#SerializedName("Profile")
#Expose
private Profile profile;
#SerializedName("redirect")
#Expose
private String redirect;
public User_ getUser() {
return user;
}
public void setUser(User_ user) {
this.user = user;
}
public Profile getProfile() {
return profile;
}
public void setProfile(Profile profile) {
this.profile = profile;
}
public String getRedirect() {
return redirect;
}
public void setRedirect(String redirect) {
this.redirect = redirect;
}
}
-----------------------------------com.example.User_.java-----------------------------------
package com.example;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
public class User_ {
#SerializedName("id")
#Expose
private String id;
#SerializedName("email")
#Expose
private String email;
#SerializedName("status")
#Expose
private String status;
#SerializedName("verified")
#Expose
private String verified;
#SerializedName("created")
#Expose
private String created;
#SerializedName("modified")
#Expose
private String modified;
#SerializedName("token")
#Expose
private String token;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getVerified() {
return verified;
}
public void setVerified(String verified) {
this.verified = verified;
}
public String getCreated() {
return created;
}
public void setCreated(String created) {
this.created = created;
}
public String getModified() {
return modified;
}
public void setModified(String modified) {
this.modified = modified;
}
public String getToken() {
return token;
}
public void setToken(String token) {
this.token = token;
}
}

Develop Reference

Java is a programming language and computing platform first released by Sun Microsystems in 1995.

How to Fetch data from API using Retrofit in Android - java

Check again the way that you are calling the api, even your userid is getting null, probably it's getting null in the user, but the response is 200 bc there was no error, simply no user with that id.

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Using GSON to parse an JSON object with an array of elements

How do I map Retrofit response to Data Model Class?

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How can i convert json string to java object in android?

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