For API Level 9+
1. Create an Android project, if you don't already have one.
2. Open the MainActivity.java file and add the below code to the imports section.
import android.hardware.Camera;
3. In the MainActivity, add the below code to the onCreate method.
int numCameras = Camera.getNumberOfCameras(); // .getNumberOfCameras Added in API level 9
if (numCameras > 0) {
Toast.makeText(this, "This device has " + numCameras + " cameras", Toast.LENGTH_LONG).show(); //needs import android.widget.Toast;
} else {
Toast.makeText(this, "A camera does NOT exist on this device", Toast.LENGTH_LONG).show(); //needs import android.widget.Toast;
}
}
4. Compile and run!
