How To Create App for Input a Value and Show it as a Toast message and in a Text box

How To Create App for Input a Value and Show it as a Toast message and in a Text box 

Step 1) Create New Android Project With Empty Activity.

Step 2)   Add a EditText, a Button and TextView In Design mode To activity_main.xml

or Hardcode it .

activity_main.xml – Design mode

activity_main.xml – Text mode

Step 3)  Program the App process in MainActivity.java.

·       Assign the Components.

·       Click Event.

·       Get Text , Set Text from EditText to TextView.

·       Toast Message.

         MainActivity.java

Code:

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

import android.widget.Toast;


public class MainActivity extends AppCompatActivity {


    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        Button btn1 = findViewById(R.id.button1);

        final EditText editText=findViewById(R.id.editText);

        final TextView textView=findViewById(R.id.textView);

        btn1.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                String inputtext=editText.getText().toString();



                textView.setText(inputtext);

                Toast.makeText(MainActivity.this,inputtext , Toast.LENGTH_SHORT).show();

            }

        });

    }

}

Step 4 ) Run The App on a Android Phone Or in a AVD emulator.