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In: Computer Science

Android Studio. Java. Please create an application that -> An activity that allows user to enter...

Android Studio. Java. Please create an application that

-> An activity that allows user to enter name, gender, date of birth, state of residence (selected from a pre-defined list: CA, AZ, NV, OR), email address and favorite website.

This activity has a button "Show Data" that displays detail entered

Solutions

Expert Solution

activity_main.xml

<?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">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        android:text="Details Saver"
        android:textColor="@android:color/black"
        android:textSize="24sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <EditText
        android:id="@+id/nameField"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="50dp"
        android:layout_marginTop="100dp"
        android:layout_marginEnd="50dp"
        android:ems="10"
        android:hint="Enter Name"
        android:inputType="textPersonName"
        android:padding="16dp"
        android:textAlignment="center"
        android:textColor="@android:color/black"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textView" />

    <RadioGroup
        android:id="@+id/radioGroup2"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="32dp"
        android:layout_marginTop="10dp"
        android:layout_marginEnd="32dp"
        android:orientation="horizontal"
        android:padding="16dp"
        android:textAlignment="center"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/nameField">


        <RadioButton
            android:id="@+id/femaleRB"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="Female" />

        <RadioButton
            android:id="@+id/maleRB"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="Male" />
    </RadioGroup>

    <EditText
        android:id="@+id/dobField"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:ems="10"
        android:enabled="true"
        android:hint="Date of birth"
        android:inputType="textPersonName"
        android:padding="16dp"
        android:textAlignment="center"
        android:textColor="@android:color/black"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/radioGroup2" />

    <Spinner
        android:id="@+id/statesSpinner"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="100dp"
        android:layout_marginTop="30dp"
        android:layout_marginEnd="100dp"
        android:padding="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/dobField" />

    <Button
        android:id="@+id/showDataButton"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="32dp"
        android:layout_marginTop="100dp"
        android:layout_marginEnd="32dp"
        android:backgroundTint="#2196F3"
        android:elevation="10dp"
        android:padding="16dp"
        android:text="Show Data"
        android:textColor="@android:color/white"
        android:textSize="18sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/statesSpinner" />

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.java

import androidx.appcompat.app.AppCompatActivity;

import android.app.DatePickerDialog;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.Spinner;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private EditText nameField;
    private RadioButton femaleRb, maleRB;
    private EditText dobField;
    private Spinner statesSpinner;
    private Button showDataButton;

    private DatePickerDialog.OnDateSetListener mDateSetListener;

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

        nameField = findViewById(R.id.nameField);
        femaleRb = findViewById(R.id.femaleRB);
        maleRB = findViewById(R.id.maleRB);
        dobField = findViewById(R.id.dobField);
        dobField.setKeyListener(null);
        dobField.setCursorVisible(false);
        dobField.setFocusable(false);
        statesSpinner = findViewById(R.id.statesSpinner);
        showDataButton = findViewById(R.id.showDataButton);

        dobField.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Calendar cal = Calendar.getInstance();
                int year = cal.get(Calendar.YEAR);
                int month = cal.get(Calendar.MONTH);
                int day = cal.get(Calendar.DAY_OF_MONTH);

                DatePickerDialog dpd = new DatePickerDialog(MainActivity.this,
                        android.R.style.Theme_Holo_Light_Dialog_MinWidth,
                        mDateSetListener,
                        year, month, day);
                dpd.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
                dpd.show();
            }
        });

        mDateSetListener = new DatePickerDialog.OnDateSetListener() {
            @Override
            public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                month += 1;
                dobField.setText(dayOfMonth + " - " + month + " - " + year);
            }
        };

        // populate the spinner for States
        List<String> states = new ArrayList<>();
        states.add("CA");
        states.add("AZ");
        states.add("NV");
        states.add("OR");
        ArrayAdapter<String> spinnerArrayAdapter =
                new ArrayAdapter<>(MainActivity.this, android.R.layout.simple_spinner_item, states);
        spinnerArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        statesSpinner.setAdapter(spinnerArrayAdapter);

        // show data button action listener
        showDataButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String name = nameField.getText().toString();
                String gender = "";
                if(!femaleRb.isChecked() && !maleRB.isChecked())
                    Toast.makeText(MainActivity.this, "Please select your gender", Toast.LENGTH_SHORT).show();
                else
                {
                    if(femaleRb.isChecked())
                        gender = "Female";
                    else
                        gender = "Male";
                }
                String dob = dobField.getText().toString();
                String state = statesSpinner.getSelectedItem().toString();

                if(TextUtils.isEmpty(name) || TextUtils.isEmpty(gender) ||TextUtils.isEmpty(dob)
                        || TextUtils.isEmpty(state))
                    Toast.makeText(MainActivity.this, "All fields are mandatory", Toast.LENGTH_SHORT).show();
                else
                {
                    Intent showDataIntent = new Intent(MainActivity.this, ShowDataActivity.class);
                    showDataIntent.putExtra("name", name);
                    showDataIntent.putExtra("gender", gender);
                    showDataIntent.putExtra("dob", dob);
                    showDataIntent.putExtra("state", state);
                    startActivity(showDataIntent);
                }
            }
        });
    }
}

activity_show_data.xml

<?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=".ShowDataActivity">

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="100dp"
        android:layout_marginTop="50dp"
        android:layout_marginEnd="100dp"
        android:text="Data Viewer"
        android:textColor="@android:color/black"
        android:textSize="30sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/nampPlace"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="50dp"
        android:layout_marginTop="130dp"
        android:layout_marginEnd="50dp"
        android:text="Your Name:"
        android:textAlignment="center"
        android:textColor="@android:color/black"
        android:textSize="18sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textView2" />

    <TextView
        android:id="@+id/genderPlace"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="50dp"
        android:layout_marginTop="30dp"
        android:layout_marginEnd="50dp"
        android:text="Your Gender:"
        android:textAlignment="center"
        android:textColor="@android:color/black"
        android:textSize="18sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/nampPlace" />

    <TextView
        android:id="@+id/dobPlace"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="50dp"
        android:layout_marginTop="30dp"
        android:layout_marginEnd="50dp"
        android:text="Your date of birth:"
        android:textAlignment="center"
        android:textColor="@android:color/black"
        android:textSize="18sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/genderPlace" />

    <TextView
        android:id="@+id/statePlace"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="50dp"
        android:layout_marginTop="30dp"
        android:layout_marginEnd="50dp"
        android:text="Your state of resisdence:"
        android:textAlignment="center"
        android:textColor="@android:color/black"
        android:textSize="18sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/dobPlace" />

    <Button
        android:id="@+id/backButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="100dp"
        android:backgroundTint="#03A9F4"
        android:padding="16dp"
        android:text="back"
        android:textAlignment="center"
        android:textColor="@android:color/white"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/statePlace" />
</androidx.constraintlayout.widget.ConstraintLayout>

ShowDataActivity.java

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class ShowDataActivity extends AppCompatActivity {

    private TextView namePlace, genderPlace, dobPlace, statePlace;
    private Button backButton;

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

        namePlace = findViewById(R.id.nampPlace);
        genderPlace = findViewById(R.id.genderPlace);
        dobPlace = findViewById(R.id.dobPlace);
        statePlace = findViewById(R.id.statePlace);
        backButton = findViewById(R.id.backButton);

        String name = getIntent().getStringExtra("name");
        String gender = getIntent().getStringExtra("gender");
        String dob = getIntent().getStringExtra("dob");
        String state = getIntent().getStringExtra("state");

        namePlace.setText("Your name is: " + name);
        genderPlace.setText("Your gender is: " + gender);
        dobPlace.setText("Your date of birth is: " + dob);
        statePlace.setText("Your state of residence is: " + state);

        backButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });
    }
}

******************************************************************** SCREENSHOT *******************************************************

venereology answered 1 year ago
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