android loading spinner code example

Example 1: spinner android

// Spinner element
      Spinner spinner = (Spinner) findViewById(R.id.spinner);
      
      // Spinner click listener
      spinner.setOnItemSelectedListener(this);
      
      // Spinner Drop down elements
      List<String> categories = new ArrayList<String>();
      categories.add("Automobile");
      categories.add("Business Services");
      categories.add("Computers");
      categories.add("Education");
      categories.add("Personal");
      categories.add("Travel");
      
      // Creating adapter for spinner
      ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, categories);
      
      // Drop down layout style - list view with radio button
      dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
      
      // attaching data adapter to spinner
      spinner.setAdapter(dataAdapter);

Example 2: loading android studio

import android.os.Handler;
Runnable runnable = new Runnable() {
            @Override
            public void run() {
                Intent intent = new Intent(getApplicationContext(), inscription.class);
                startActivity(intent);
                finish();
            }
        };
        //....
        new Handler().postDelayed(runnable,3000);
    }