I need to host an embedded native view into my Flutter app, I have an Android Fragment and me trying to add it to the View class that registered in FlutterEngine but Fragments need to be added: (context as FragmentActivity).supportFragmentManager…
I am using sudo amazon-linux-extras install java-openjdk11 this command,but it says sudo: amazon-linux-extras: command not found How I can install java in my ec2 ? I am using sudo amazon-linux-extras install java-openjdk11 this command,but it says sudo: amazon-linux-extras: command not…
I'm implementing a function that should parse a lot (multiple terabytes) of JSON data with schema known before processing. Iterator<JsonObject> parseJson(Schema schema, Iterator<String> data) { var parser = createParser(schema); return new Iterator<JsonObject>() { @Override public boolean hasNext() { return data.hasNext();…
in general, I have a problem. I want to send a message to an endpoint, in which to send all messages from the database to the web socket topic so that the client can receive them all. Here is my…
I am working on a college search app and I am unable to solve this error. Here is the code: public class searchEngineActivity extends AppCompatActivity { public String stateSelected; public String courseSelected; public RecyclerView searchRecyclerView; public WebView webView; public FirebaseRecyclerOptions…
I use the following to convert a JSON into an Object: JSON: { "color": "blue" } Code: somethingDto = objectMapper.readValue(myJson, SomethingDTO.class); However, let's say that the JSON comes at the following format: { "something": { "color": "blue" } } What…
I have a server running in JAVA and I am creating a client with HTML and Javascript (about which I am less knowledgeable). The server accesses log-in credentials stored in a database with AES encryption. I need the user to…
private IBeaconListener createIBeaconListener() { return new SimpleIBeaconListener() { @Override public void onIBeaconDiscovered(IBeaconDevice ibeacon, IBeaconRegion region) { Gson gson = new Gson(); String json = gson.toJson(ibeacon); Gson gson2 = new Gson(); String deviceId = "{deviceId : 67814f71b5bdb4d3}"; String json2 = gson2.toJson(obj);…
I am trying to read data from a Firebase database and map it to a **User** class object in their app. The data in Firebase contains a field named "IsOrganization" with a boolean value. However, when the developer retrieves the…
This is roughly my code. I am trying to have Jackson ignore a field when it takes my POJO and creates JSON out of it: import com.fasterxml.jackson.annotation.JsonIgnore; public class MyPOJO { @JsonIgnore private String socialSecurityNumber = "111-11-1111"; // ... public…