How To Create a Camera App In Android
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How To Create a Camera App In Android

Shivam Srivastav
By Shivam Srivastav| Thursday, July 20, 2017 14:59 PM |4 min read
Camera App Development

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);

}

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Shivam Srivastav
About The Author

Shivam Srivastav is the Marcom Manager at Appinventiv. He is a dynamic marketing strategist who believes in transforming technology in ways that are digestible to the end users. Shivam plans strategies to cross the technical corporate speak and reach the masses in a language that they can relate to - value, knowledge, and solutions. In order to reach the masses of untapped potential, he keeps himself well read on the issues that small and mid-cap organizations face and what they need when in the marketing funnel.

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