LED flash light activation

Question

I am trying to use the flash LED that is built into my android device. I found an existing question that was very helpful but I am seeing a strange compile error now. The problem is the part of my code where I check availability of flash.

boolean FlashAvails=Context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);

There is a compile error that reads "Cannot make a static reference to a non-static method getPackageManager() from type Context".

The variable is not static so I do not understand why I am receiving this message — jizco Borneo, Aug 05 '13 at 21:48

score 1 · Accepted Answer · edited May 23 '17 at 12:04

1

The method getPackageManager() is not static, according to the Javadoc: http://developer.android.com/reference/android/content/Context.html

You'll need to get a reference to the context and then you can call the method.

To get a reference to the context you can all:

Context appContext =  Context.getApplicationContext();

Then you can get access to the package manager as follows:

appContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);

Make sure to include the import:

import android.content.Context;

Assuming you're using Eclipse, you can press: ctrl-shift-o and it will reorganize your imports and pull in anything that's missing.

If you're still having trouble, another way is to get the Camera Parameters, as described in this posting: How to find flashlight feature is available or not in device < = sdk 4

edited May 23 '17 at 12:04

Community

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answered Aug 05 '13 at 22:01

lordoku

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How do I get a reference to the context? – jizco Borneo Aug 06 '13 at 02:13
So does Context.getApplicationContext() replace "Context" in my original post? That does not compile either. How do I make a non-static reference to the method while accomplishing what I want – jizco Borneo Aug 06 '13 at 22:00
What error are you getting? I've updated my answer to explain what I'm talking about. – lordoku Aug 07 '13 at 13:32

LED flash light activation

1 Answers1