HLessJon Tutorials

package com.mycompany.twoactivities;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {
    //because we need to use variables in more then on place declare them.
    //Define input fields
    EditText editTextFirstName,editTextLastName;


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




        editTextFirstName = (EditText) findViewById(R.id.editTextFirstName);
        editTextLastName = (EditText) findViewById(R.id.editTextLastName);
// buttonOne is only used here, so only declared here as a Button.
        Button buttonOne = (Button) findViewById(R.id.button1);
        // assign buttonOne a listener
        buttonOne.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                /*the manifest-file of our application and will display an
                Activity if it finds one with the same class. ie ActivityTwo.class*/
                Intent intent = new Intent(getApplicationContext(),ActivityTwo.class);
                //"fname" and "lname" must be used again in ActivityTwo so remember them.
                //Extract String objects with names fname and lname
                intent.putExtra("fname", editTextFirstName.getText().toString());
                intent.putExtra("lname", editTextLastName.getText().toString());

                /*the putExtra method is used it adds a key-value pair to the object.
                First parameter is key(name), the second - value.*/
//we then send Intent using the startActivity method
                startActivity(intent);
            }
        });
    }
//    Replaced this code with the new code
 /*   buttonOne.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
//                notice ActivityTwo is what we want to start
                Intent intent = new Intent(getApplicationContext(),ActivityTwo.class);
//                use startActivity() to start the new activity described by the intent
                startActivity(intent);

            }}*/
   }