Android : how to check if device has camera ?

In Android, you can use PackageManager , hasSystemFeature() method to check if a device has camera, gps or other features.

See full example of using PackageManager in an activity class.

import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;

public class FlashLightActivity extends Activity {

        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                //setContentView(R.layout.main);

                Context context = this;
                PackageManager packageManager = context.getPackageManager();

                // if device support camera?
                if (packageManager.hasSystemFeature(PackageManager.FEATURE_CAMERA)) {
                        //yes
                        Log.i("camera", "This device has camera!");
                }else{
                        //no
                        Log.i("camera", "This device has no camera!");
                }


        }
}