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How To Create a Camera App In Android

Saurabh Singh
CEO & Director
May 19, 2025
Camera App in Android
Table of Content
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Step 1

Make a new Android Project named Camera App

Step 2

Include the following permissions in Manifest.xml file :

Step 3

Make the Layout File activity_main.xml:

Step 4

MainActivity.java file

Initialize the request, the constants and view:

private static final int IMAGE_REQUEST_CODE=1;

private static final String IMAGE_DIRECTORY_NAME = “Hello Camera”;

private Uri fileUri;

private ImageView img;

private Button clk= (Button) findViewById(R.id.button1);

Method to capture the Image:

private void captureImage() {

Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE);

intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);

startActivityForResult(intent, IMAGE_REQUEST_CODE);

}

Method OnActivityResult:

protected void onActivityResult(int requestCode, int resultCode, Intent data) {

// if the result is capturing Image

if (requestCode == CAMERA_CAPTURE_IMAGE_REQUEST_CODE) {

if (resultCode == RESULT_OK) {

previewCapturedImage();

} else if (resultCode == RESULT_CANCELED) {

Toast.makeText(getApplicationContext(),

“User cancelled image capture”, Toast.LENGTH_SHORT)

.show();

} else {

// failed to capture image

Toast.makeText(getApplicationContext(),

“Sorry! Failed to capture image”, Toast.LENGTH_SHORT)

.show();

}

}

}

Display Picture

BitmapFactory is a class for images which is used to display the picture on the screen.

private void previewCapturedImage() {

// bimatp factory

BitmapFactory.Options options = new BitmapFactory.Options();

options.inSampleSize = 8;

final Bitmap bitmap = BitmapFactory.decodeFile(fileUri.getPath(),

options);

imgPreview.setImageBitmap(bitmap);

}

THE AUTHOR
Saurabh Singh
CEO & Director

With over 15+ years of experience driving large-scale digital initiatives, Saurabh Singh is the CEO and Director of Appinventiv. He specializes in app development, mobile product strategy, app store optimization, monetization, and digital transformation across industries like fintech, healthcare, retail, and media. Known for building scalable app ecosystems that combine intuitive UX, resilient architecture, and business-focused growth models, Saurabh helps startups and enterprises turn bold ideas into successful digital products. A trusted voice in the industry, he guides leaders on aligning product decisions with market traction, retention, and long-term ROI.

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