Integrated Views

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Table of Contents hide
1. Ques. : How to display Multiple or Integrated Views in Android using XML code in Linear Layout Views.
2. Ques. : Create a Login Page in an Android App using XML in Linear Layout View.
3. Ques. : Create a Classical Login Page in an Android App using XML in Linear Layout View.
4. Ques. : Create a Classical User Registration Page in an Android App using XML in Linear Layout View.
5. Ques. : Create a Classical Page in an Android App to make Simple Calculator using XML & Java in Linear Layout View.
6. Ques. : Create an Activity in an Android App to display the Color in EditText on selection in a Spinner using XML & Java in Linear Layout View.
7. Ques. : Create an Activity in an Android App to display the Color of a Text Message in EditText on the selection of Color in a Spinner using XML & Java in Linear Layout View.
8. Ques. : Create an Activity in an Android App to display the Text Message of Color in EditText on the selection of Color option in a Spinner using XML & Java in Linear Layout View.

Ques. : How to display Multiple or Integrated Views in Android using XML code in Linear Layout Views.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:contentDescription="@string/app_name"
    android:orientation="vertical"
    tools:context=".MainActivity"

    android:gravity="center_horizontal"
    android:padding="15dp"
    android:id="@+id/LinLayInteExample"
    >

    <ImageView
        android:layout_width="match_parent"        
        android:layout_height="300dp"

        android:src="@drawable/ic_launcher_background"
        android:id="@+id/ImgView1"

        android:scaleType="fitXY"
        android:adjustViewBounds="true"

        android:contentDescription="Description of Image"/>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"

        android:id="@+id/TxtVwVal"
        android:text="@string/message"
        android:justificationMode="inter_word"

        android:textSize="15sp"
        android:textStyle="bold"
        android:textColor="@color/red"
        />

    <EditText
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:ems="15"

        android:id="@+id/EdtTxtInptVal"        
        android:inputType="text"
        android:textAlignment="center"
        android:hint="@string/ph"/>

    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:id="@+id/BtnSub"
            android:backgroundTint="@color/red"
            android:text="Submit"
            android:textStyle="bold"
            android:textSize="20sp"
            android:textColor="@color/blue"/>

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:id="@+id/BtnRst"
            android:backgroundTint="@color/red"
            android:text="Reset"
            android:textStyle="bold"
            android:textSize="20sp"
            android:textColor="@color/blue"/>
    </TableRow>

</LinearLayout>

NB: 
(i) XML comment line is represented by this symbol <!--     --> but appllied for complete block of statements not for partial lines of code.
(ii) Write the XML codes/program for android design development in 'activity_main.xml' file.
(iii) Remove the comment message completely when execute the program.
(iv) Code should be written in activity_main.xml file

Output:

Ques. : Create a Login Page in an Android App using XML in Linear Layout View. 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:contentDescription="@string/app_name"
    android:orientation="vertical"
    tools:context=".MainActivity"

    android:gravity="center_horizontal"
    android:padding="15dp"
    android:id="@+id/LinLayInteExample"
    >

    <TextView
        android:layout_width="match_parent"
        android:layout_height="80dp"
        android:ems="15"

        android:layout_marginTop="5dp"
        android:id="@+id/EdtTxtMsg"
        android:inputType="text"
        android:text="Login App"
        android:textSize="50dp"
        android:textStyle="bold"
        android:textColor="@color/green"
        android:background="@color/indigo"
        android:textAlignment="center"/>

    <EditText
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:ems="15"

        android:layout_marginTop="60dp"
        android:id="@+id/EdtTxtUname"
        android:hint="Enter User Name Here"
        android:inputType="text"
        android:textAlignment="center"/>

    <EditText
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:ems="15"

        android:id="@+id/EdtTxtPass"
        android:hint="Enter Password Here"
        android:inputType="textPassword"

        android:textAlignment="center"/>

    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp">

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:id="@+id/BtnSub"
            android:backgroundTint="@color/red"
            android:text="Submit"
            android:textStyle="bold"
            android:textSize="20sp"
            android:layout_marginRight="05dp"
            android:textColor="@color/blue"/>

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:id="@+id/BtnRst"
            android:backgroundTint="@color/red"
            android:text="Reset"
            android:textStyle="bold"
            android:textSize="20sp"
            android:textColor="@color/blue"/>
    </TableRow>

</LinearLayout>

Output:

Ques. : Create a Classical Login Page in an Android App using XML in Linear Layout View. 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:contentDescription="@string/app_name"
    android:orientation="vertical"
    tools:context=".MainActivity"

    android:padding="15dp"
    android:id="@+id/LinLayInteExample">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="80dp"
        android:ems="15"

        android:layout_marginTop="5dp"
        android:id="@+id/EdtTxtMsg"
        android:inputType="text"
        android:text="Login App"
        android:textSize="50dp"
        android:textStyle="bold"
        android:textColor="@color/green"
        android:background="@color/indigo"
        android:textAlignment="center"/>

    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:layout_marginTop="50dp">

        <TextView
            android:layout_width="80dp"
            android:text="User Name"
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <EditText
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:ems="15"

            android:id="@+id/EdtTxtUname"
            android:inputType="text"/>
    </TableRow>


    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:layout_marginTop="10dp">

        <TextView
            android:layout_width="80dp"
            android:text="Password"
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <EditText
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:ems="15"

            android:id="@+id/EdtTxtPass"
            android:inputType="textPassword"/>
    </TableRow>


    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="95dp"
        android:layout_marginTop="10dp">

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:id="@+id/BtnSub"
            android:backgroundTint="@color/red"
            android:text="Submit"
            android:textStyle="bold"
            android:textSize="20sp"
            android:layout_marginRight="05dp"
            android:textColor="@color/blue"/>

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:id="@+id/BtnRst"
            android:backgroundTint="@color/red"
            android:text="Reset"
            android:textStyle="bold"
            android:textSize="20sp"
            android:textColor="@color/blue"/>
    </TableRow>

</LinearLayout>

Output:

Ques. : Create a Classical User Registration Page in an Android App using XML in Linear Layout View. 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:contentDescription="@string/app_name"
    android:orientation="vertical"
    tools:context=".MainActivity"

    android:padding="5dp"
    android:id="@+id/LinLayInteExample"
    >

    <TextView
        android:id="@+id/EdtTxtMsg"
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:layout_marginTop="5dp"
        android:background="@color/indigo"

        android:inputType="text"
        android:text="User Registration App"
        android:textAlignment="center"
        android:textColor="@color/green"
        android:textSize="30dp"
        android:textStyle="bold" />


    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_marginTop="20dp">

        <TextView
            android:layout_width="80dp"
            android:text="Name"
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <EditText
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:ems="15"
            android:hint="@string/ph"
            android:id="@+id/EdtTxtName"
            android:inputType="text"/>

    </TableRow>


    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_marginTop="10dp">

        <TextView
            android:layout_width="80dp"
            android:text="User Name"
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <EditText
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:ems="15"

            android:id="@+id/EdtTxtUname"
            android:inputType="textAutoComplete"/>
    </TableRow>

    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_marginTop="10dp">

        <TextView
            android:layout_width="80dp"
            android:text="Password"
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <EditText
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:ems="15"

            android:id="@+id/EdtTxtPass"
            android:inputType="textPassword"/>
    </TableRow>


    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:layout_marginTop="10dp">

        <TextView
            android:layout_width="80dp"
            android:text="E-mail"
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <EditText
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:ems="15"

            android:id="@+id/EdtTxtCPass"
            android:inputType="textEmailAddress"/>
    </TableRow>

    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_marginTop="10dp">

        <TextView
            android:layout_width="80dp"
            android:text="DOB"
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <EditText
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:ems="15"

            android:id="@+id/Dob"
            android:inputType="date"/>
    </TableRow>

    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_marginTop="10dp">

        <TextView
            android:layout_width="80dp"
            android:text="Mobile No."
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <EditText
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:ems="15"

            android:id="@+id/MobNo"
            android:inputType="number"/>
    </TableRow>


    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_marginTop="10dp">

        <TextView
            android:layout_width="80dp"
            android:text="Gender"
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <Spinner
            android:id="@+id/Gen"
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:ems="15"
            android:entries="@array/Gen"
            android:spinnerMode="dropdown" />
    </TableRow>

    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_marginTop="10dp">

        <TextView
            android:layout_width="80dp"
            android:text="Address"
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <EditText
            android:id="@+id/Addr"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:ems="15"
            android:layout_weight="1"
            android:inputType="textMultiLine|textNoSuggestions"
            android:scrollbars="vertical"
            android:minLines="3"
            android:maxLines="6"/>
    </TableRow>

    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_marginTop="10dp">

        <TextView
            android:layout_width="80dp"
            android:text="Education"
            android:textStyle="bold"
            >
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold"
            >
        </TextView>

        <CheckBox
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:id="@+id/NonMatric"
            android:text="Non-Matric"/>

        <CheckBox
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:id="@+id/Matric"
            android:text="Matric"/>

        <CheckBox
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:id="@+id/Inter"
            android:text="Post/Graduate"/>
    </TableRow>


    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_marginTop="10dp">

        <TextView
            android:layout_width="80dp"
            android:text="Nationality"
            android:textStyle="bold">
        </TextView>

        <TextView
            android:layout_width="10dp"
            android:text=" :"
            android:textStyle="bold">
        </TextView>

        <RadioGroup
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal">

            <RadioButton
                android:layout_width="wrap_content"
                android:layout_height="40dp"
                android:id="@+id/Indian"
                android:checked="true"
                android:text="Indian"/>

            <RadioButton
                android:layout_width="wrap_content"
                android:layout_height="40dp"
                android:id="@+id/Other"
                android:text="Other"/>
        </RadioGroup>

        <EditText
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:ems="15"

            android:id="@+id/OtherText"
            android:hint="Enter country name"
            android:inputType="text"/>
    </TableRow>


    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="95dp"
        android:layout_marginTop="10dp">

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:id="@+id/BtnSub"
            android:backgroundTint="@color/red"
            android:text="Submit"
            android:textStyle="bold"
            android:textSize="20sp"
            android:layout_marginRight="05dp"
            android:textColor="@color/blue"/>

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:id="@+id/BtnRst"
            android:backgroundTint="@color/red"
            android:text="Reset"
            android:textStyle="bold"
            android:textSize="20sp"
            android:textColor="@color/blue"/>
    </TableRow>

</LinearLayout>

Output:
NB: Use 
    <string-array name="Gen">
        <item>Male</item>
        <item>Female</item>
        <item>Other</item>
    </string-array>
for drop-down list or combo box in String.xml file.

Ques. : Create a Classical Page in an Android App to make Simple Calculator using XML & Java in Linear Layout View. 

activity_main.xml(For Front end Design code)File:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <EditText
        android:id="@+id/editTextNumber1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Enter number 1" />

    <EditText
        android:id="@+id/editTextNumber2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Enter number 2" />

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <Button
            android:id="@+id/addButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textStyle="bold"
            android:text="+" />

        <Button
            android:id="@+id/subButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="05dp"
            android:textStyle="bold"
            android:text="-" />

        <Button
            android:id="@+id/multButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="05dp"
            android:textStyle="bold"
            android:text="*" />

        <Button
            android:id="@+id/divButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textStyle="bold"
            android:layout_marginLeft="05dp"
            android:text="/" />

    </LinearLayout>


    <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal">

        <Button
            android:id="@+id/moddivButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="05dp"
            android:textStyle="bold"
            android:text="%" />

        <Button
            android:id="@+id/clearButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="05dp"
            android:textStyle="bold"
            android:text="Clear" />
    </LinearLayout>

    <TextView
        android:id="@+id/resultTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>

MainActivity.java(For Back end processing code)File:

package com.rkm.myapplication;

import androidx.appcompat.app.AppCompatActivity;

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

        EditText editText1,editText2;
        Button addButton1,subButton1, multButton1, divButton1, moddivButton1,clearButton;
        TextView resultTextView;

        editText1 = findViewById(R.id.editTextNumber1);
        editText2 = findViewById(R.id.editTextNumber2);

        addButton1 = findViewById(R.id.addButton);
        subButton1 = findViewById(R.id.subButton);
        multButton1 = findViewById(R.id.multButton);
        divButton1 = findViewById(R.id.divButton);
        moddivButton1 = findViewById(R.id.moddivButton);

        clearButton=findViewById(R.id.clearButton);

        resultTextView = findViewById(R.id.resultTextView);

        editText1.requestFocus();      //Set cursor focus on Load event
        editText1.requestFocusFromTouch(); //Set cursor focus on Load event

        addButton1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int num1 = Integer.parseInt(editText1.getText().toString());
                int num2 = Integer.parseInt(editText2.getText().toString());
                int sum = num1 + num2;
                resultTextView.setText("Sum of the value is : " + sum);
            }
        });

        subButton1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int num1 = Integer.parseInt(editText1.getText().toString());
                int num2 = Integer.parseInt(editText2.getText().toString());
                int sub = num1 - num2;
                resultTextView.setText("Subtraction of the value is : " + sub);
            }
        });

        multButton1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int num1 = Integer.parseInt(editText1.getText().toString());
                int num2 = Integer.parseInt(editText2.getText().toString());
                int mult = num1 * num2;
                resultTextView.setText("Multiplication of the value is : " + mult);
            }
        });

        divButton1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int num1 = Integer.parseInt(editText1.getText().toString());
                int num2 = Integer.parseInt(editText2.getText().toString());
                int div = num1 / num2;
                resultTextView.setText("Division of the value is : " + div);
            }
        });

        moddivButton1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int num1 = Integer.parseInt(editText1.getText().toString());
                int num2 = Integer.parseInt(editText2.getText().toString());
                int mdiv = num1 % num2;
                resultTextView.setText("Modular Division of the value is : " + mdiv);
            }
        });

        clearButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                editText1.setText("");
                editText2.setText("");
                resultTextView.setText("  ");
                editText1.requestFocus();
            }
        });


    }
}
Output:

Ques. : Create an Activity in an Android App to display the Color in EditText on selection in a Spinner using XML & Java in Linear Layout View. 

activity_main.xml file

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:contentDescription="@string/app_name"
    android:orientation="vertical"
    tools:context=".MainActivity"

    android:padding="50dp"
    android:id="@+id/LinLayInteExample">

    <Spinner
        android:id="@+id/spinner"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <EditText
        android:id="@+id/editText"
        android:layout_marginTop="10dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
</LinearLayout>


strings.xml file

    <string-array name="spinner_items">
        <item>Select Color</item>
        <item>Red</item>
        <item>Blue</item>
        <item>Green</item>
    </string-array>


MainActivity.java file

package com.rkm.myapplication;

import androidx.appcompat.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.Spinner;
//import android.widget.ImageView;

import android.widget.ArrayAdapter;
import android.widget.AdapterView;

import android.graphics.Color;

public class MainActivity extends AppCompatActivity {

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


        ArrayAdapter<CharSequence> spinnerAdapter = ArrayAdapter.createFromResource(this, R.array.spinner_items, android.R.layout.simple_spinner_item);
        spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

        Spinner spinner = findViewById(R.id.spinner);
        spinner.setAdapter(spinnerAdapter);

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

        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                // Change the EditText color based on the selected spinner item
                String selectedItem = parent.getItemAtPosition(position).toString();

                if ("Red".equals(selectedItem))
                {
                    //editText.setTextColor(Color.RED);
                    editText.setText("  ");
                    editText.setBackgroundColor(Color.RED);
                }
                else if ("Blue".equals(selectedItem))
                {
                    //editText.setTextColor(Color.BLUE);
                    editText.setText("  ");
                    editText.setBackgroundColor(Color.BLUE);
                }
                else if ("Green".equals(selectedItem))
                {
                    //editText.setTextColor(Color.GREEN);
                    editText.setText("  ");
                    editText.setBackgroundColor(Color.GREEN);
                }
                else
                {
                    editText.setText("No Color Choice Selection");
                    editText.setBackgroundColor(Color.WHITE);
                }
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {
                // Handle when nothing is selected
            }
        });


    }
}

Output:

Ques. : Create an Activity in an Android App to display the Color of a Text Message in EditText on the selection of Color in a Spinner using XML & Java in Linear Layout View. 

activity_main.xml file

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:contentDescription="@string/app_name"
    android:orientation="vertical"
    tools:context=".MainActivity"

    android:padding="50dp"
    android:id="@+id/LinLayInteExample">

    <Spinner
        android:id="@+id/clrSpinner"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <EditText
        android:id="@+id/editText"
        android:layout_marginTop="20dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Enter any text"
        android:textStyle="bold"/>

</LinearLayout>

strings.xml file

    <string-array name="spinner_items">
        <item>Select Color</item>
        <item>Red</item>
        <item>Blue</item>
        <item>Green</item>
    </string-array>

MainActivity.java file

package com.rkm.myapplication;

import androidx.appcompat.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.Spinner;
import android.widget.ImageView;

import android.widget.ArrayAdapter;
import android.widget.AdapterView;

import android.graphics.Color;

public class MainActivity extends AppCompatActivity {

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


        ArrayAdapter<CharSequence> spinnerAdapter = ArrayAdapter.createFromResource(this, R.array.spinner_items, android.R.layout.simple_spinner_item);
        spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

        Spinner spinner = findViewById(R.id.clrSpinner);
        spinner.setAdapter(spinnerAdapter);


        //spinner = findViewById(R.id.spinner);
        EditText editText = findViewById(R.id.editText);

        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                // Change the EditText color based on the selected spinner item
                String selectedItem = parent.getItemAtPosition(position).toString();
                if ("Red".equals(selectedItem))
                {
                    editText.setTextColor(Color.RED);
                    //editText.setText("  ");

                }
                else if ("Blue".equals(selectedItem))
                {
                    editText.setTextColor(Color.BLUE);
                    //editText.setText("  ");

                }
                else if ("Green".equals(selectedItem))
                {
                    editText.setTextColor(Color.GREEN);
                    //editText.setText("  ");

                }
                else 
                {
                    editText.setTextColor(Color.BLACK);
                }

            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {

                // Handle when nothing is selected
            }
        });


    }
}

Output:

Ques. : Create an Activity in an Android App to display the Text Message of Color in EditText on the selection of Color option in a Spinner using XML & Java in Linear Layout View. 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:contentDescription="@string/app_name"
    android:orientation="vertical"
    tools:context=".MainActivity"

    android:padding="50dp"
    android:id="@+id/LinLayInteExample">

    <Spinner
        android:id="@+id/spinner"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <EditText
        android:id="@+id/editText"
        android:layout_marginTop="10dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
</LinearLayout>



strings.xml

<resources>
    
    <string-array name="spinner_items">
        <item>Select Color</item>
        <item>Red</item>
        <item>Blue</item>
        <item>Green</item>
    </string-array>

</resources>



MainActivity.java

package com.rkm.myapplication;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;
import android.widget.EditText;
import android.widget.Spinner;

import android.widget.ArrayAdapter;
import android.widget.AdapterView;

public class MainActivity extends AppCompatActivity {

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


        ArrayAdapter<CharSequence> spinnerAdapter = ArrayAdapter.createFromResource(this, R.array.spinner_items, android.R.layout.simple_spinner_item);
        spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

        Spinner spinner = findViewById(R.id.spinner);
        spinner.setAdapter(spinnerAdapter);

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

        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                // Change the EditText color based on the selected spinner item
                String selectedItem = parent.getItemAtPosition(position).toString();

                if ("Red".equals(selectedItem))
                {
                    editText.setText("Red Color Choice Selected");
                }
                else if ("Blue".equals(selectedItem))
                {
                    editText.setText("Blue Color Choice Selected");
                }
                else if ("Green".equals(selectedItem))
                {
                    editText.setText("Green Color Choice Selected");
                }
                else
                {
                    editText.setText("No Color Choice Selection");
                }
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {
                // Handle when nothing is selected
            }
        });


    }
}

Output:

Categories: Android

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