Reliably Detect ART Runtime on Android KitKat

ReliablyDetectArt.java

/**
 * Checks if the device is using the (still experimental Android Runtime (ART))
 * @return Returns true if ART is used on the device.
 */
public static boolean isART()
{
	if (Build.VERSION.SDK_INT < 19) // Before KITKAT, as ART is only available since 4.4.x
		return false ;
	
	try{
		String bootClassPath = System.getProperty("java.boot.class.path", "");
		
		if (bootClassPath.contains("core-libart.jar")){
			Log.d(TAG, "java.boot.class.path contains core-libart.jar - Using ART :(");
			return true;
		}
		else {
			Log.d(TAG, "java.boot.class.path does not contain core-libart.jar - Not using ART :)");
			return false;
		}
	}
	catch(Exception e){
		android.util.Log.d(TAG, e.toString());
	}
	
	// If not found - return false because if when
	// returning true, and there is no ART, it would
	// be worse to display a popup "you cannot play, you're using ART",
	// instead of crashing the app instantly 
	return false;
}