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.
package com.mkyong.android;
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!");
}
}
}
Camera flashlight example
You may interest on this example – How to turn on/off camera LED/flashlight in Android.
You may interest on this example – How to turn on/off camera LED/flashlight in Android.
does not work, there is a bug
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According to the docs here
http://developer.android.com/reference/android/content/pm/PackageManager.html#FEATURE_CAMERA, FEATURE_CAMERA pertains to the back camera. So if you are using a
device with only the front facing camera(like the first gen Nexus 7) then the code above won’t work. I think you should also check FEATURE_CAMERA_FRONT.
why
Log.i("Camera","This has a camera");doesn’t work?
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Thanks for the informative blog! Any idea how to mock/shadow the PackageManager for Android?