check android device has camera or not

The below code can be used to find whether an android has camera or not.

Context myContext = this;
PackageManager myPackageManager = myContext.getPackageManager();
TextView myTextView = (TextView) findViewById(R.id.infodisplay);
if (myPackageManager.hasSystemFeature(PackageManager.FEATURE_CAMERA)) {
myTextView.setText("Camera is available");
} else {
myTextView.setText("Camera not available");
}