HLessJon Tutorials

package com.mycompany.arraysexample;

import android.graphics.Color;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.RelativeLayout;
import android.widget.Spinner;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_main);

        //CREATE layout and widget first
        RelativeLayout relLay = new RelativeLayout(this);
        //turn background to blue
        relLay.setBackgroundColor(Color.BLUE);
        Spinner newSpinner = new Spinner (this);
        TextView newText = new TextView(this);
        //text color
        newText.setTextColor(Color.YELLOW);

        //add the actual text
        newText.setText("<Push Me!");
        //assign IDs
        newSpinner.setId(1);
        newText.setId(2);


        //adding new RelativeLayout
        RelativeLayout.LayoutParams spannerParam =
                new RelativeLayout.LayoutParams(
                        RelativeLayout.LayoutParams.WRAP_CONTENT,
                        RelativeLayout.LayoutParams.WRAP_CONTENT
                                        );
        RelativeLayout.LayoutParams textViewParam =
                new RelativeLayout.LayoutParams(
                        RelativeLayout.LayoutParams.WRAP_CONTENT,
                        RelativeLayout.LayoutParams.WRAP_CONTENT
                );

        //add the rules
        spannerParam.addRule(RelativeLayout.CENTER_VERTICAL);
        spannerParam.addRule(RelativeLayout.CENTER_HORIZONTAL);

        textViewParam.addRule(RelativeLayout.CENTER_VERTICAL);
        textViewParam.addRule(RelativeLayout.RIGHT_OF, newSpinner.getId());
        textViewParam.setMargins(40,0,0,0);




        //add Spinner to the layout and include the new rules
        relLay.addView(newSpinner,spannerParam);
        relLay.addView(newText,textViewParam);


        //then add to the content view so you can see it
        setContentView(relLay);


        //Create a string array to hold the text to be displayed
        String[] myStringArray={"Alpha","Bravo","Charlie"};


        //Create the ArrayAdapter
        ArrayAdapter<String> myAdapter=new
                ArrayAdapter<String>(this,
                android.R.layout.simple_list_item_1,
                myStringArray);



        //Associate the ArrayAdapter with the ListView

        Spinner myList= //Do not need to find byId we have the actual variable.
                (Spinner) newSpinner;
        myList.setAdapter((myAdapter));


        //
    }
}