Develop an android application to capture an image and display it using ImageView

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.cameraapp">
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

    </application>
</manifest>

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"
    tools:context=".MainActivity"
    android:orientation="vertical"
    android:padding="20dp">

    <ImageView android:id="@+id/imageView"
        android:layout_width="300dp"
        android:layout_height="300dp"
        android:text="Hello World!"
        android:background="@drawable/border_image_view"
        android:layout_gravity="center_horizontal"/>

    <Button android:id="@+id/btnCapture"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:text="Capture"
        android:layout_marginTop="20dp"
        android:onClick="captureImage"/>

</LinearLayout>

MainActivity.java

package com.example.cameraapp;
import android.content.Intent;
import android.graphics.Bitmap;
import android.provider.MediaStore;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private static final int REQUEST_CODE_CAMERA = 1;
    ImageView imageView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        imageView = findViewById(R.id.imageView);
    }

    public void captureImage(View view) {
        Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(cameraIntent, REQUEST_CODE_CAMERA);
    }
    
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if(requestCode == REQUEST_CODE_CAMERA) {
            if(resultCode == RESULT_OK) {
                Bitmap bitmap = (Bitmap) data.getExtras().get("data");
                imageView.setImageBitmap(bitmap);
            }
            else {
                Toast.makeText(getApplicationContext(), "Cancelled by user", Toast.LENGTH_SHORT).show();
            }
        }
        super.onActivityResult(requestCode, resultCode, data);      
    }    
}

OUTPUT