if(android.os.Build.VERSION.SDK_INT == android.os.Build.VERSION_CODES.LOLLIPOP){	// Code For Android Version higher equal to LOLLIPOP(21)
} else if(android.os.Build.VERSION.SDK_INT > 21){	// Code For Android Version higher than LOLLIPOP(21)
} else{	// Code For Android Version lower than LOLLIPOP(21)
}