This is my first Android Studio Project. In this project, I'm going to make a simple Form Application. What this App exactly gonna do? Basically, in this app, We will gonna add a textbox, a simple text, and a button, whenever we write anything in the textbox and click on the button it will change the text.
Source Code
[main_activity.xml]
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101 | <?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity"> <EditText
android:id="@+id/firstname_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="60dp"
android:ems="10"
android:fontFamily="@font/carter_one"
android:hint="First Name"
android:inputType="textPersonName"
android:textColor="#090909"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.497"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<EditText
android:id="@+id/lastname_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="52dp"
android:ems="10"
android:fontFamily="@font/carter_one"
android:hint="Last Name"
android:inputType="textPersonName"
android:textColor="#000000"
app:layout_constraintEnd_toEndOf="@+id/firstname_txt"
app:layout_constraintStart_toStartOf="@+id/firstname_txt"
app:layout_constraintTop_toBottomOf="@+id/firstname_txt" />
<EditText
android:id="@+id/email_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="52dp"
android:ems="10"
android:fontFamily="@font/carter_one"
android:hint="Email"
android:inputType="textPersonName"
app:layout_constraintEnd_toEndOf="@+id/lastname_txt"
app:layout_constraintStart_toStartOf="@+id/lastname_txt"
app:layout_constraintTop_toBottomOf="@+id/lastname_txt" />
<Button
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="84dp"
android:fontFamily="@font/carter_one"
android:onClick="regbtn"
android:text="Register Now"
app:layout_constraintEnd_toEndOf="@+id/email_txt"
app:layout_constraintStart_toStartOf="@+id/email_txt"
app:layout_constraintTop_toBottomOf="@+id/email_txt" />
<TextView
android:id="@+id/txtfirstname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="56dp"
android:fontFamily="@font/carter_one"
android:text="First Name:"
android:textColor="#000000"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="@+id/button"
app:layout_constraintStart_toStartOf="@+id/button"
app:layout_constraintTop_toBottomOf="@+id/button" />
<TextView
android:id="@+id/txtlastname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="40dp"
android:fontFamily="@font/carter_one"
android:text="Last Name:"
android:textColor="#000000"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="@+id/txtfirstname"
app:layout_constraintStart_toStartOf="@+id/txtfirstname"
app:layout_constraintTop_toBottomOf="@+id/txtfirstname" />
<TextView
android:id="@+id/txtemail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="42dp"
android:fontFamily="@font/carter_one"
android:text="Email:"
android:textColor="#000000"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="@+id/txtlastname"
app:layout_constraintStart_toStartOf="@+id/txtlastname"
app:layout_constraintTop_toBottomOf="@+id/txtlastname" />
</androidx.constraintlayout.widget.ConstraintLayout>
|
[main_activity.java]
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34 | package com.xDroidDev.formapk;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void regbtn (View view){
TextView txtfirstname = findViewById(R.id.txtfirstname);
TextView txtlastname = findViewById(R.id.txtlastname);
TextView txtemail = findViewById(R.id.txtemail);
EditText fitstname_txt = findViewById(R.id.firstname_txt);
EditText lasttname_txt = findViewById(R.id.lastname_txt);
EditText email_txt = findViewById(R.id.email_txt);
txtfirstname.setText("First Name: " + fitstname_txt.getText().toString());
txtlastname.setText("Last Name: " + lasttname_txt.getText().toString());
txtemail.setText("Email: " + email_txt.getText().toString());
}
}
|
Sample Apk Download
![Java Practice Project [Rock Paper Scissors Game]](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBEZrUqKJei9LzFEJJ5MEIq0apj2rLVBBrbgo01kXAzdsK3lI9erGRKKtSnKTKKdRLUm3WdaAqONb2tuaccJBXrkMGQ0_dCYN2WdiLMBLMIB5BCOGRaKzZ2zrCXIbfYC4uNTQ4vqfQPK4z/w680/JAVA+Project.png)
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