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Course Queries Syllabus Queries 2 years ago
Posted on 16 Aug 2022, this text provides information on Syllabus Queries related to Course Queries. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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Till now I am getting JSON and putting them in 3 different spinners. But the problem is that how to make 2nd spinner data based on the 1st spinner and 3rd spinner data based on the 2nd spinner.
This is my code for JSON. try { // Locate the NodeList name jsonarray = jsonobject.getJSONArray("results"); for (int i = 0; i < jsonarray.length(); i++) { jsonobject = jsonarray.getJSONObject(i); Results worldpop = new Results(); worldpop.setSyllabus(jsonobject.optString("syllabus")); worldpop.setGrade(jsonobject.optString("grade")); worldpop.setSubject(jsonobject.optString("subject")); //worldpop.setFlag(jsonobject.optString("flag")); world.add(worldpop); worldlist.add(jsonobject.optString("syllabus")); worldlist2.add(jsonobject.optString("grade")); worldlist3.add(jsonobject.optString("subject")); } } catch (Exception e) { Log.e("Error", e.getMessage()); e.printStackTrace(); } return null; } @Override protected void onPostExecute(Void args) { // Locate the spinner in activity_main.xml final Spinner mySpinner = (Spinner) findViewById(R.id.syllabus); Spinner mySpinner2 = (Spinner) findViewById(R.id.grade); Spinner mySpinner3 = (Spinner) findViewById(R.id.subject); // Spinner adapter LinkedHashSet<String> listToSet = new LinkedHashSet<String>(worldlist); //Creating Arraylist without duplicate values final List<String> worldlistnew = new ArrayList<String>(listToSet); mySpinner .setAdapter(new ArrayAdapter< REPLY 0 views 0 likes 0 shares Facebook Twitter Linked In WhatsApp
Here is the answer. In this example depending on first spinner second spinner values gets changes. and it will also change the text in the actitivty, which ever value you are selecting in second spinner. If this helps you please vote.
s://forum.tuteehub.com/tag/import">import android.os.Bundle; s://forum.tuteehub.com/tag/import">import android.app.Activity; s://forum.tuteehub.com/tag/import">import android.content.Intent; s://forum.tuteehub.com/tag/import">import android.text.Html; s://forum.tuteehub.com/tag/import">import android.view.Menu; s://forum.tuteehub.com/tag/import">import android.view.View.OnClickListener; s://forum.tuteehub.com/tag/import">import java.util.ArrayList; s://forum.tuteehub.com/tag/import">import android.view.View; s://forum.tuteehub.com/tag/import">import android.widget.AdapterView; s://forum.tuteehub.com/tag/import">import android.widget.AdapterView.OnItemSelectedListener; s://forum.tuteehub.com/tag/import">import android.widget.ArrayAdapter; s://forum.tuteehub.com/tag/import">import android.widget.Button; s://forum.tuteehub.com/tag/import">import android.widget.ImageView; s://forum.tuteehub.com/tag/import">import android.widget.Spinner; s://forum.tuteehub.com/tag/import">import android.widget.TextView; public class Courses extends Activity { Spinner s1,s2; TextView seats_t,t2,hod_det; ImageView im1; String s; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.courses); s1 = (Spinner) findViewById(R.id.grad); s2 = (Spinner) findViewById(R.id.streams); seats_t=(TextView)findViewById(R.id.about1); t2=(TextView)findViewById(R.id.hodname1); hod_det=(TextView)findViewById(R.id.hoddetails); im1=(ImageView)findViewById(R.id.hodimage); t2.setText REPLY 0 views 0 likes 0 shares Facebook Twitter Linked In WhatsApp
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